友達
「友達」 means friend in this dialogue. In 「友達が」, it is the person who has a fever and says she cannot travel.
が
「が」 marks 「友達」 as the subject of the sentence. It identifies who has the condition and gives the information.
熱
「熱」 means a fever or high temperature in 「熱を出していて」. It refers to the illness that affects the travel plan.
を
「を」 marks 「熱」 as the object in 「熱を出していて」. This pattern describes someone developing or having a fever.
出し
「出し」 contributes the meaning of developing or having a fever in 「熱を出していて」. It is the form used before 「て」 to connect with the ongoing state.
て
「て」 connects 「熱を出し」 with the following ongoing-state expression in 「熱を出していて」. It lets the fever condition lead into the information about what she says.
い
「い」 is part of 「出していて」 and helps express the continuing state of having a fever. This form is useful when a condition is still continuing.
明日
「明日」 means tomorrow. In 「明日は」, tomorrow is the time being discussed for the possible trip.
は
「は」 marks 「明日」 as the topic in 「明日は」. The sentence then explains what may happen on that day.
たぶん
「たぶん」 means probably and shows that the speaker is not completely certain. It is placed before the statement about being unable to travel.
旅行
「旅行」 means a trip or travel. In 「旅行に行けない」, it is the trip that the friend may not be able to join.
に
「に」 marks the destination or purpose in 「旅行に行けない」. Together with the verb for going, it points to going on the trip.
行け
「行け」 expresses being able to go in 「行けない」. The negative form then says that going on the trip is not possible.
ない
「ない」 makes 「行け」 negative in 「行けない」. Here it means that the friend cannot go on the trip.
と
「と」 marks the quoted content in 「行けないと言っています」. It connects the statement that she cannot go with the verb meaning says.
言っ
「言っ」 carries the meaning of saying in 「言っています」. It is the form used before 「て」 to connect the saying with the ongoing polite expression.
ます
「ます」 makes 「言っています」 polite. The sentence politely reports what the friend is saying.
それなら
「それなら」 means then or in that case. It uses the preceding information about the friend’s illness as the basis for the next suggestion.
彼女
「彼女」 means she or her and refers to the sick friend. In 「彼女に配慮して」, she is the person whose situation should be considered.
配慮
「配慮」 means consideration for someone’s situation. In 「彼女に配慮して」, it describes acting thoughtfully toward the sick friend.
予定
「予定」 means a plan or schedule. In 「予定を変更する」, it is the existing travel plan that may be changed.
変更
「変更」 means a change or rescheduling. In 「予定を変更する」, it refers to changing the planned schedule.
する
「する」 means do or carry out in 「変更する」. Together, 「変更する」 means to make a change to the schedule.
かどうか
「かどうか」 asks whether something is so or not, as in 「変更するかどうか」. The first 「か」 introduces the uncertain choice, 「どう」 contributes the sense of how or which way, and the final 「か」 closes the embedded question.
話し合う
「話し合う」 means discuss something together. Here it describes the group jointly considering whether to change the plan.
べき
「べき」 expresses what should be done in 「話し合うべきです」. It presents discussing the schedule as the appropriate action.
です
「です」 gives 「話し合うべきです」 a polite sentence ending. It makes the recommendation suitable for a polite conversation.
これ
「これ」 means this in 「これ以上」. It points to the current amount or point, which the speaker says they should not go beyond.
以上
「以上」 means beyond or more than the stated point in 「これ以上」. Together, 「これ以上長く待つ」 means waiting any longer than now.
長く
「長く」 means for a longer time in 「これ以上長く待つ」. It modifies the waiting and warns that additional delay may cause difficulty.
待つ
「待つ」 means wait. In 「待つのは難しくなる」, the act of waiting is the thing that may become difficult.
の
「の」 turns 「待つ」 into the topic of the next description in 「待つのは難しくなる」. This lets the sentence say that waiting itself may become difficult.
日程
「日程」 means the schedule or dates of an event. In 「旅行の日程」, it refers specifically to the dates planned for the trip.
難しく
「難しく」 means difficult in 「難しくなる」. Its form connects the idea of difficulty with the change expressed by 「なる」.
なる
「なる」 means become. In 「難しくなる」, it says that rescheduling will become more difficult if they wait.
かもしれません
「かもしれません」 means may or might and expresses possibility in 「難しくなるかもしれません」. 「かも」 opens the possibility, 「しれ」 is the middle part of this fixed expression, and 「ませ」 with 「ん」 completes its polite ending.
予約
「予約」 means a booking or reservation. In 「予約を完全にキャンセルする」, it is the booking that the speakers may cancel or move.
完全
「完全」 contributes the meaning of complete or total in 「完全にキャンセルする」. With 「に」, it describes canceling the booking completely.
キャンセル
「キャンセル」 means cancellation or canceling in 「キャンセルする」. Here it refers to canceling the booking rather than moving it to another date.
代わり
「代わり」 means instead or in place of in 「代わりに」. The pattern 「キャンセルする代わりに」 introduces the alternative of changing the date.
できます
「できます」 expresses that something can be done or is possible. In 「日程を変更できますか」, it politely asks whether changing the dates is possible.
か
「か」 marks the sentence as a question in 「変更できますか」. It turns the polite statement into a request for information.
私
「私」 means I or me. In 「私が電話して」, the speaker identifies herself as the person who will make the call.
電話
「電話」 means a telephone or phone call. In 「電話して」, it refers to calling someone to ask about the available choices.
どんな
「どんな」 means what kind of or what sort of. In 「どんな選択肢」, it asks about the type of options that are available.
選択肢
「選択肢」 means an option or choice. In 「どんな選択肢があるか」, it refers to the possible ways to handle the booking.
ある
「ある」 expresses that something exists or is available. In 「選択肢がある」, it asks what choices are available.
聞い
「聞い」 means ask in 「聞いてみます」. The surrounding context is asking the booking provider about the available options.
み
「み」 contributes the meaning of trying an action in 「聞いてみます」. The whole expression means that the speaker will try asking.
それから
「それから」 means also or after that in this dialogue. It introduces another request after asking about the booking options.
私たち
「私たち」 means we or us. In 「私たちだけで」, it refers to the other members who might go without the sick friend.
だけ
「だけ」 means only or just. In 「私たちだけで」, it limits the group to the speakers and excludes the friend who is sick.
で
「で」 marks the group or manner in 「私たちだけで行って」. The phrase means going with only the speakers or by themselves.
行っ
「行っ」 carries the meaning of going in 「行っても」. It is followed by 「て」 and 「も」 to form the condition about going without her.
も
「も」 gives 「行っても」 the meaning even if or even when they go. It presents going without the friend as a possibility whose acceptability should be checked.
大丈夫
「大丈夫」 means all right or okay. In 「彼女が大丈夫かどうか」, it asks whether the friend would feel okay about the others going without her.
ください
「ください」 makes 「聞いてください」 a polite request meaning please ask. It asks the other person to check the friend’s feelings.
グループ
「グループ」 means group. In 「グループ旅行」, it describes a trip planned for several people together.
として
「として」 means as or in the role of. In 「グループ旅行として」, it presents the trip as an event planned for the group.
計画
「計画」 means a plan in 「計画した」. Together with the following completed-action form, it says that the group planned the trip.
た
「た」 marks the planning in 「計画した」 as completed. It shows that the trip was already planned as a group trip.
ので
「ので」 means because or since in 「計画したので」. It introduces the reason for preferring postponement.
延期
「延期」 means postponement or postponing in 「延期したい」. It refers to moving the group trip to a later time.
たい
「たい」 expresses the speaker’s desire in 「延期したい」. The speaker says that she wants to postpone the trip.
そう
「そう」 means seeming or looking that way in 「よさそうです」. It presents the postponement as something that seems suitable.
特に
「特に」 means especially. Here it highlights the condition that the friend may recover within only a few days.
数日
「数日」 means a few days. In 「数日で回復する」, it describes the short period within which the friend may recover.
回復
「回復」 means recovery or recovering. In 「回復するなら」, it refers to the friend becoming well again.
なら
「なら」 marks a condition in 「回復するなら」. It means if she recovers within that period, postponing appears to be a good choice.
よさ
「よさ」 contributes the meaning of goodness or suitability in 「よさそうです」. It is the form used before 「そう」 to say that postponing seems good.
内容
「内容」 means content or details. In 「変更内容」, it refers to the details of what has changed in the plan.
明確
「明確」 means clear or definite. In 「変更内容を明確にして」, it describes making the change details clear before sending the message.
みんな
「みんな」 means everyone or everybody. In 「みんなにメッセージを送ります」, it refers to all the people in the group.
メッセージ
「メッセージ」 means a message. In 「メッセージを送ります」, it is the written update the speaker will send to everyone.
送り
「送り」 means send in 「送ります」. It describes sending the message containing the options and clear update.
理由
「理由」 means the reason for something. In 「理由と時期」, it is the explanation people need in order to understand the change.
時期
「時期」 means timing or the relevant period. In 「理由と時期」, it refers to when the change will happen.
知っ
「知っ」 contributes the meaning of knowing in 「知っていれば」. It refers to having information about the reason and timing.
いれ
「いれ」 appears in 「知っていれば」 and helps express being in a state of knowing. Together with the conditional ending, it means if they know the information.
ば
「ば」 marks the condition in 「知っていれば」. It connects knowing the reason and timing with being able to handle the change better.
うまく
「うまく」 means well or successfully. In 「うまく対応できます」, it describes handling the change smoothly.
対応
「対応」 means handle or respond to something. In 「変更にうまく対応できます」, it refers to dealing appropriately with the change.
でき
「でき」 expresses being able to in 「対応できます」. It says that people will be able to handle the change when they know the reason and timing.