Strengthening an Energy-Use Proposal | Learn Korean in English

Sentence explanations

1. 나는 사무실의 에너지 사용을 줄이기 위한 제안서를 작성했어.

   I drafted a proposal for reducing energy use in the office.

   나는

   I

   사무실의

   in the office

   에너지

   energy

   사용

   use

   줄이기

   reducing

   위한

   for

   제안서

   proposal

   작성했어

   drafted

   More detail

   나는 combines 나 (“I”) with the topic marker 는. It presents the speaker as the topic. 나 is the first-person pronoun, and its topic-marked form is 나는. In polite speech, the corresponding form is 저는; 나는 fits the casual style shown by the sentence’s ending. 사무실의 means “in the office” here. 사무실 means “office,” and 의 links it to the following noun, marking an associated relationship. In 사무실의 에너지 사용, the fixed translation makes that relationship clear as energy use in the office, not literal ownership. 에너지 means “energy.” It is a noun and appears here before another noun to specify the type of 사용 being discussed. 사용 means “use” or “usage.” Here it is a noun in the compound noun phrase 에너지 사용, “energy use.” The related verb 사용하다 means “to use,” but the observed form is the noun 사용, not that verb. 줄이기 means “reducing” in this purpose expression. Its base verb is 줄이다, “to reduce.” The ending -기 turns the verb into a noun-like form, allowing the pattern V-기 위한 N: “an N for doing V.” Example: 비용을 줄이기 위한 방법 — “a method for reducing costs.” 위한 completes the purpose expression 줄이기 위한, “for reducing.” It comes before the noun it describes, so 줄이기 위한 제안서 means “a proposal for reducing [it].” Here, the thing to be reduced is energy use. 제안서 means “proposal,” specifically a proposal document. The related noun 제안 can mean “suggestion” or “proposal,” while 제안서 refers to the written document presenting it. Here, 제안서 is the object of the final verb. 작성했어 means “drafted” or “wrote” here. Its base verb is 작성하다, “to write or prepare a document.” The form uses past -았/었어 with the 하다 verb, resulting in casual, nonpolite 작성했어. The past marking presents the drafting as completed. Example: 보고서를 작성했어 — “I wrote a report.” Together, 나는 sets the speaker as the topic. 사무실의 에너지 사용 identifies the energy use in the office, and 줄이기 위한 제안서 describes the proposal’s purpose. 작성했어 says that the speaker drafted that document. The whole utterance therefore means: “I drafted a proposal for reducing energy use in the office.”

2. 그 제안서에는 이점과 비용, 그리고 예상되는 반대 의견이 포함되어야 해.

   It should include benefits, costs, and possible objections.

   그

   that

   제안서

   proposal

   이점

   benefits

   비용

   costs

   그리고

   and

   예상되는

   expected

   반대

   opposition

   의견

   opinion

   포함되어야 해

   should be included

   More detail

   그 points to a specific item already identifiable in the situation. Here, the preceding context supports reading it as “that” proposal, but the form itself is a demonstrative determiner and does not indicate the noun’s number. In Korean, a demonstrative comes before the noun it modifies: 그 제안서 = “that proposal.” 제안서 means “proposal,” especially a written proposal or proposal document. Its plural meaning is not marked by a special ending here; context determines whether it refers to one proposal or more than one. In this conversation, the context supports one proposal. 이점 means “benefit” or “advantage.” The following 과 is attached to this noun and coordinates it with the next listed item: 이점과 비용 = “benefits and costs.” Korean nouns generally do not require a plural suffix, so the English plural in the fixed translation comes from the list context rather than a visible plural form on 이점. 비용 means “cost” or “expense.” It is another noun in the list, coordinated with 이점 and later with 반대 의견. A useful contrast is 가격 (“price”), which usually names the amount charged for something, whereas 비용 focuses on an expense or resource required. 그리고 is a conjunction meaning “and.” Here it introduces the final coordinated item, 예상되는 반대 의견, after the earlier items. It can also connect clauses, but in this sentence it links items in a list. 예상되는 modifies the noun that follows it and means “expected” or “anticipated” here. It is the modifier form of 예상되다 (“to be expected” / “to be anticipated”): 예상되다 → 예상되는 before a noun. Example: 예상되는 문제를 확인하세요. — “Please check the problems that are expected.” 반대 means “opposition” or “against,” and 의견 means “opinion” or “view.” Together, 반대 의견 is a noun phrase meaning “opposing opinions” or, in this context, “objections.” The two words should remain separate teaching items because 반대 describes the stance of the 의견; the whole phrase, rather than either word alone, supplies the specific sense “objection.” Example: 반대 의견도 검토해야 해. — “We also need to consider opposing opinions.” 포함되어야 해 expresses “should be included” in this sentence. 포함되다 means “to be included,” and -어야 하다 adds a requirement or necessity; the conversational ending 해야 해 is the informal spoken form of “has to / should.” Thus 포함되어야 해 is the passive construction “must/should be included,” with the fixed translation choosing “should.” The passive form is appropriate because the listed contents are what the proposal is required to contain, not the agents carrying out the inclusion. Example: 이 내용은 보고서에 포함되어야 해. — “This content should be included in the report.” The particle 에는 in 그 제안서에는 marks the proposal as the relevant place or document in which the contents are to be included, with 는 adding topic or contrastive emphasis. The list is 이점과 비용, 그리고 예상되는 반대 의견: benefits, costs, and anticipated objections. The final predicate 포함되어야 해 says that this complete list should be included there. The whole utterance therefore means: “That proposal should include benefits, costs, and possible objections.”

3. 이점에 관한 부분은 준비됐지만, 반대 의견에 관한 부분에는 더 자세한 내용이 필요해.

   The benefits section is ready, but the objections section needs more detail.

   이점

   benefits

   에 관한

   about; concerning

   부분

   section

   준비됐지만

   is ready, but

   반대 의견

   objections

   더 자세한

   more detailed

   내용

   detail; content

   필요해

   is needed

   More detail

   이점 means a benefit or advantage. In this sentence, the context makes it the benefits being discussed in one section; Korean does not mark the plural here. A useful contrast is 비용 (“cost”), which appears in the preceding context and names a different aspect of a proposal. 에 관한 is a reusable noun-modifying pattern meaning “about” or “concerning.” The pattern N에 관한 N means “an N concerning N.” Here, 이점에 관한 부분 is “the section concerning benefits.” The same pattern appears again later in 반대 의견에 관한 부분, where it means “the section concerning objections.” 부분 means a part or section. In this context it refers to a section of a larger document, not necessarily a physical part. 이점에 관한 부분 therefore identifies the benefits section. 준비됐지만 combines 준비되다 (“to be prepared; to be ready”) with -지만 (“but” or “although”). 됐 is the contracted form of 되었 in this expression. The ending connects the first clause to a contrasting second clause: “is ready, but …” For example, 자료는 준비됐지만 시간이 부족해. means “The materials are ready, but there isn’t enough time.” 반대 의견 literally refers to an opposing opinion and, in this document context, means an objection or objections. 반대 means opposition or opposing, while 의견 means opinion or view. The Korean form does not itself state how many objections there are; the plural reading comes from the context and the fixed translation. 더 자세한 means “more detailed.” 자세하다 is the base form meaning “to be detailed” or “to be specific,” and its noun-modifying form is 자세한; 더 increases the degree of detail. Thus 더 자세한 내용 asks for content with greater detail than what is currently provided. For comparison, 자세한 설명 means “a detailed explanation,” while 더 자세한 설명 means “a more detailed explanation.” 내용 means content or information. Here it refers to the information in the objections section, and the phrase 더 자세한 내용 means “more detailed information” or “more detail.” 필요해 comes from 필요하다, “to be necessary” or “to be needed,” and is the informal plain-style ending used in this sentence. Korean commonly expresses a need with N이/가 필요하다: 시간이 필요해 means “Time is needed” or “I need time.” In the fixed sentence, 더 자세한 내용이 필요해 means that more detailed content is needed; it does not specify a person who needs it. Together, 이점에 관한 부분은 준비됐지만 sets up a contrast: the section about benefits is ready. 반대 의견에 관한 부분에는 더 자세한 내용이 필요해 says that, in the section about objections, more detailed content is needed. The topic marker 은 highlights the first section for comparison, while 에는 marks the second section as the place or area where the need applies. The whole utterance is therefore: “The benefits section is ready, but the objections section needs more detail.”

4. 우려 사항을 미리 예상하면 제안서의 신뢰도가 높아질 거야.

   Anticipating concerns will make the proposal more credible.

   우려 사항

   concerns

   미리

   in advance

   예상하면

   if anticipating

   제안서

   proposal

   신뢰도

   credibility

   높아질 거야

   will become higher

   More detail

   우려 사항 means “concerns” here. 우려 is a noun meaning concern or apprehension, and 사항 means a matter or item, so this compact noun phrase refers to matters that may cause concern. A useful related expression is 우려하다, “to be concerned about,” but 우려 사항 itself is a noun phrase. 미리 means “in advance” or “beforehand.” It is an adverb, so it describes when an action is done rather than changing form for number or politeness. Example: 문제를 미리 확인해요. — “I check the problem in advance.” 예상하면 comes from 예상하다, “to anticipate” or “to expect.” The ending -면 makes a conditional or broadly time-linked clause: “if/when [someone] anticipates.” Thus 우려 사항을 미리 예상하면 means “if/when [someone] anticipates the concerns in advance.” The object marker -을 shows that 우려 사항 is what is anticipated. Example: 비를 예상하면 우산을 준비해요. — “If I expect rain, I prepare an umbrella.” 제안서 means “proposal” or “proposal document.” It is a noun referring to the document itself. In this sentence, it is marked by 의, which links it to the following noun: 제안서의 신뢰도 means “the proposal’s credibility.” 신뢰도 means “credibility” here, specifically the degree to which the proposal can be trusted. 신뢰 means trust, while -도 in this noun means a degree or level, as in “the level of trust.” Do not confuse this with 신뢰성, which more directly means reliability or dependability; the observed word focuses on how credible something appears or is judged to be. 높아질 거야 means “will become higher.” The verb is 높아지다, “to become high(er),” not the adjective 높다 alone. Its stem combines with -ㄹ 거야, an informal future or prediction pattern: 높아질 거야 = “will become higher.” The change is expressed by 높아지다; 거야 does not itself mean “higher.” Example: 연습하면 실력이 높아질 거야. — “If you practice, your skill will improve.” Together, 우려 사항을 미리 예상하면 sets up the condition or situation of anticipating concerns beforehand. 제안서의 신뢰도가 identifies the proposal’s credibility as the subject of the result, and 높아질 거야 predicts that it will increase. The whole utterance therefore means: “Anticipating concerns will make the proposal more credible.” The informal ending -거야 suits a casual statement or prediction to someone with whom the speaker uses informal speech.

5. 일부 팀은 편안함이나 장비의 신뢰성에 대해 걱정할 수도 있어.

   Some teams may worry about comfort or equipment reliability.

   일부

   some; a portion of

   팀

   team

   편안함

   comfort

   이나

   or

   장비

   equipment

   에 대해

   about; concerning

   신뢰성

   reliability

   걱정할

   worry

   수도 있어

   may; might

   More detail

   일부 means “some” or “a portion of” a larger group. It does not by itself state an exact number. Example: 일부 참가자는 일찍 도착했어. — “Some participants arrived early.” 팀 is “team,” a noun that can be followed by a particle or modifier just like other nouns. Here, 일부 팀 means “some teams”: 일부 limits the noun 팀. 편안함 means “comfort.” It is a noun formed from the adjective 편안하다 (“to be comfortable”), with -ㅁ making a noun for the quality or state. Example: 사람들은 편안함을 중요하게 생각해. — “People consider comfort important.” 이나 expresses “or” after 편안함, which ends in a consonant. After a vowel, the corresponding form is 나. The pair -이나/-나 connects alternatives; it is not the same as the subject or object particle. 장비 means “equipment.” It is a noun referring to tools or equipment used for a purpose. Example: 장비를 확인했어. — “I checked the equipment.” 에 대해 means “about” or “concerning.” The noun before it is the topic or object of discussion, thought, or concern. Thus 장비의 신뢰성에 대해 identifies equipment reliability as what the worry is about. 에 대한 is the related form used before a noun: 장비의 신뢰성에 대한 질문 — “a question about equipment reliability.” 신뢰성 means “reliability,” the quality of being dependable. In 장비의 신뢰성, 의 links 장비 (“equipment”) to 신뢰성, giving “the reliability of the equipment.” This noun is distinct from 신뢰도, which commonly refers to a degree or measure of reliability or credibility. 걱정할 comes from the verb 걱정하다, “to worry.” The ending -ㄹ makes the form that appears before 수 in this possibility construction; it is not a separate verb meaning “will” by itself. Example: 그들은 비용을 걱정할 수 있어. — “They may worry about the cost.” 수도 있어 is the possibility pattern -(으)ㄹ 수도 있다, meaning “may” or “might.” 수 represents a possibility, 도 adds the sense of “even/also,” and 있어 is the casual form of 있다; together here they express that worrying is a possible situation. The negative counterpart is -(으)ㄹ 수도 없다, which can mean “cannot” or that something is not possible. Putting the parts together, 일부 팀은 sets “some teams” as the topic. 편안함이나 장비의 신뢰성에 대해 gives the alternatives—comfort or the equipment’s reliability—as the topic or object of concern. 걱정할 수도 있어 says that worrying is possible, so the whole utterance means: “Some teams may worry about comfort or equipment reliability.” The casual ending -어 in 있어 suits an informal conversational style.

6. 그렇다면 약속하기보다 시범 운영으로 그런 우려에 답해야 해.

   Then address those concerns with pilots rather than promises.

   그렇다면

   then; in that case

   약속하기보다

   rather than promising

   시범

   pilot; demonstration

   운영

   operation; running

   그런

   such

   우려

   concern

   답해야 해

   must address

   More detail

   그렇다면 means “then” or “in that case.” It connects the current conclusion to a condition or situation already understood. The ending -다면 expresses a hypothetical or assumed condition: 그렇다 (“be so”) + -다면 (“if that is so”). Example: 그렇다면 시작하자. — “Then let’s begin.” 약속하기보다 is built from 약속하다 (“to promise”) + -기 (turning the verb into a noun-like expression) + 보다 (“than”). The pattern V-기보다 means “rather than V-ing” and introduces the alternative that is preferred. The observed form 약속하기 is not a past or present tense form; it is the nominalized verb. Example: 기다리기보다 물어보자. — “Rather than waiting, let’s ask.” 시범 means “pilot” or “demonstration,” especially something carried out on a limited or trial basis. Here it modifies the following noun in the compound 시범 운영, referring to pilot operation rather than a general demonstration. Example: 시범 프로그램을 시작했다. — “They started a pilot program.” 운영 means “operation” or “running” in the sense of managing and carrying out a program, service, or system. In 시범 운영, it forms the reusable compound “pilot operation” or “trial run.” It is a noun here; the related verb 운영하다 means “to operate” or “to run.” Example: 새 서비스를 운영한다. — “They run a new service.” 그런 means “such” or “that kind of” and comes directly before a noun. It is the attributive form associated with 그렇다 (“be so”), but in this sentence it simply points to the concerns under discussion as concerns of that kind. Example: 그런 문제는 중요하다. — “Such a problem is important.” 우려 means “concern” or “apprehension,” often about a possible problem or risk. 우려하다 is the related verb “to be concerned about,” while the noun itself can be used in phrases such as 우려가 있다 (“there is concern”). Example: 안전에 대한 우려가 있다. — “There are concerns about safety.” 답해야 해 comes from 답하다 (“to answer” or “respond”) with -아/어야 하다, which expresses necessity, followed here by the informal spoken form 해 of 하다. Thus 답해야 해 means “must respond” or, with a concern as the object of response, “must address.” The form 답해야 carries the obligation; 해 completes the colloquial ending. Example: 이 질문에 답해야 해. — “I have to answer this question.” Together, 그렇다면 sets up the conclusion “then,” and 약속하기보다 contrasts promising with another method. 시범 운영으로 uses -으로 to mark the means or method: “through pilot operation.” 그런 우려에 marks the concerns being responded to, and 답해야 해 says that this response is necessary. The whole utterance therefore means: “Then we must address those concerns with pilot operation rather than promises.”

7. 소규모 시험을 진행하면 더 넓게 도입하기 전에 근거를 마련할 수 있을 거야.

   A small trial would produce evidence before broader adoption.

   소규모

   small-scale

   시험

   trial

   진행하면

   if [someone] conducts

   더 넓게

   more broadly

   도입하기 전에

   before introducing

   근거

   evidence

   마련할 수 있을 거야

   will be able to establish

   More detail

   소규모 means “small-scale” and modifies the following noun. Thus 소규모 시험 means “a small-scale trial.” Example: 소규모 회의 means “a small-scale meeting.” 시험 here means a trial or test carried out to evaluate something, not necessarily an examination. In 소규모 시험을 진행하다, it is the trial being conducted. Example: 시험을 시작하다 means “to start a trial.” 진행하면 comes from 진행하다, “to conduct” or “to carry out,” plus -(으)면, an if/when ending. The stem 진행하- ends in a vowel, so this form is 진행하면. The subject is omitted, so the phrase itself does not identify who conducts the trial. Example: 회의를 진행하면 시간이 필요해요. means “If we conduct the meeting, we need time.” 더 넓게 means “more broadly.” 넓게 is the adverbial form of 넓다, “wide” or “broad,” and 더 marks a greater degree or scope. Here it modifies the scope of 도입하기, not the size of the trial. Example: 이 방법을 더 넓게 사용하다 means “to use this method more broadly.” 도입하기 전에 comes from 도입하다, “to introduce” or “adopt,” plus -기 전에, “before doing.” Here, 더 넓게 도입하기 전에 means “before introducing or adopting it more broadly”; the object is understood from the intended context rather than stated in this sentence. Example: 결정하기 전에 확인하세요. means “Please check before deciding.” 근거 means “evidence” or “a basis” supporting a decision or claim. Here it is what the trial can establish before broader adoption. Example: 근거가 필요하다 means “evidence is needed.” 마련할 수 있을 거야 combines 마련하다, “to prepare” or “establish,” -(으)ㄹ 수 있다, which expresses ability or possibility, and -(으)ㄹ 거야, an informal form used for an expected or predicted outcome. In 있을, the base form is 있다; its stem 있- ends in a consonant, so it takes -을, giving 있을. The form is not based on a vowel-ending stem. Example: 자료를 마련할 수 있을 거야. means “We should be able to prepare the materials.” Together, 소규모 시험을 진행하면 sets up the condition of conducting a small-scale trial. 더 넓게 도입하기 전에 places the establishment of evidence before broader adoption, and 근거를 마련할 수 있을 거야 expresses the expected possibility of establishing that evidence. The whole utterance means: “A small trial would produce evidence before broader adoption.”

8. 그러면 경영진이 승인하기가 더 쉬워질 거야.

   That would make approval easier for leadership.

   그러면

   then / in that case

   경영진

   leadership / management

   승인하기가

   approving

   쉬워질 거야

   will become easier

   More detail

   그러면 means “then” or “in that case.” It connects the sentence to a condition or proposal already under discussion. Here, the preceding small trial is the relevant condition: if that happens, the result in this sentence follows. 경영진 is a noun meaning “leadership” or “management,” referring here to the people who make organizational decisions. It is the subject of 승인하기가, so leadership is the party for whom approval becomes easier—not the thing being approved. 승인하기가 is built from 승인하다 (“to approve”) + -기 (which turns a verb into an event or activity) + 가 (subject marker). The resulting pattern V-기가 쉽다 means “it is easy to V.” For example, 이해하기가 쉬워요 means “It is easy to understand.” The observed form 승인하기가 names the activity “approving”; it does not itself mean that approval has already happened. 쉬워질 거야 expresses that something will become easier. 쉽다 means “to be easy,” and 쉬워지다 means “to become easy/easier”; the -어지다 part marks a change of state. -ㄹ 거야 presents that future result as a prediction or expectation in informal speech. Thus 쉬워질 거야 is “will become easier,” rather than simply “is easy.” Together, 그러면 sets up the result, 경영진이 승인하기가 makes “leadership approving” the activity being evaluated, and 더 쉬워질 거야 says that this activity will become easier. The whole utterance means: “That would make approval easier for leadership,” or more literally, “Then, it will become easier for leadership to approve.”