我
我 means “I” or “me” in 我买了这件衬衫 and refers to the customer speaking. It commonly comes before the action, as in 我 + verb. Use it when talking about your own actions or situation.
买
买 means “buy” in 我买了这件衬衫. Here it describes obtaining the shirt by purchase, and 了 shows that the purchase was completed. A common pattern is 买 + object, such as 买这件衬衫. Use it when shopping or talking about something you purchased.
了
In 我买了, 了 shows that the buying action has been completed. It also appears at the end of 放在袋子里了, where it presents the placement as an established result. It commonly follows a completed action or appears after a sentence describing a new situation.
这
这 means “this” in 这件衬衫 and 这件不合身, pointing to the shirt being discussed. It comes before a classifier and noun, as in 这 + 件 + noun. Use it when identifying something nearby or already being discussed.
件
件 is the classifier used in 这件衬衫 for this shirt. It comes between 这 and 衬衫 to count or identify the item. A reusable pattern is 这件 + clothing item when referring to one piece of clothing.
衬衫
衬衫 means “shirt” in 我买了这件衬衫 and 这件衬衫没穿过. In this dialogue it is the item the customer bought and wants to exchange. Use it when naming a shirt in a clothing shop or discussing whether it has been worn.
不
不 means “not” in 这件不合身, where it negates 合身 and says that the shirt does not fit properly. It is placed before the word or phrase being negated. Use 不 + description to state that clothing or another item does not have a desired quality.
合身
合身 means “fit properly” in 这件不合身, describing how the shirt fits the wearer. With 不 before it, the expression says the shirt is not a good fit. Use it when explaining that clothing is too tight, too loose, or otherwise does not fit well.
你
你 means “you” in 你还留着收据和标签吗? and refers to the customer being addressed. It commonly comes before the action or state being asked about, as in 你 + verb phrase. Use it when speaking directly to one person.
还
还 means “still” in 你还留着收据和标签吗? and asks whether the customer continues to have the receipt and tag. It commonly comes before a verb, as in 还留着. Use it when checking whether something remains available or unchanged.
留
留 means “keep” or “retain” in 还留着收据和标签吗?. With 着, 留着 describes continuing to keep the items. A common pattern is 留着 + object, when asking or saying that something is being kept for later or remains in someone’s possession.
着
着 in 还留着 marks the continuing state of keeping the receipt and tag. The exact expression 还留着 asks whether that state still continues. It commonly follows an action word when the resulting state or ongoing condition is important.
收据
收据 means “receipt” in 你还留着收据和标签吗?. It is one of the two items the shop needs the customer to have for the return or exchange discussion. Use it when referring to proof of purchase in a shop.
和
和 means “and” in 收据和标签, joining the receipt with the tag as two requested items. It commonly links two nouns or noun phrases. Use it when naming items together rather than choosing between them.
标签
标签 means “tag” or “label” in 你还留着收据和标签吗?. Here it refers to the tag that is still attached to or kept with the shirt purchase. Use it when discussing a product label in a shop or checking whether it is still available.
吗
吗 at the end of 你还留着收据和标签吗? turns the statement into a yes-or-no question. It is placed at the end of the sentence rather than before the verb. Use it when asking whether something is true or available.
把
把 in 把这两样都放在袋子里了 marks 这两样 as the specific items being handled and placed. The pattern 把 + object + action is useful when emphasizing what happens to an object. Use it when describing the handling or resulting placement of a particular thing.
两样
两样 means “two items” or “two things” in 这两样, referring here to the receipt and the tag together. It follows 这 to form 这两样, “these two items.” Use it when grouping two different kinds of things as one pair.
都
都 means “both” in 这两样都放在袋子里了, showing that the action applies to the receipt and the tag together. It commonly comes before the verb, as in 两样都放. Use it when saying that every item in a stated group has the same property or action.
放
放 means “put” or “place” in 把这两样都放在袋子里了. The phrase 放在袋子里 describes placing the items in the bag, and 了 presents that placement as completed. A common pattern is 放在 + location.
在
在 introduces a location in 放在袋子里 and links the fitting rooms to their location in 试衣间在那个展示架后面. In 放在袋子里, it marks where the items were placed; in the second expression, it marks where the fitting rooms are. Use 在 + location to describe where something is or where an action places it.
袋子
袋子 means “bag” in 放在袋子里, the container where the receipt and tag were placed. It commonly combines with 里 to specify the inside of the bag. Use it when talking about carrying or storing items in a bag.
里
里 means “inside” or “in” in 袋子里, specifying the inside of the bag. It follows a place or container noun, as in 袋子里. Use noun + 里 when locating something inside a room, container, or other space.
那
那 has two functions in this dialogue: in 那我可以帮你退货或换货 it means “then,” introducing the shop assistant’s response, while in 那个展示架 it means “that,” pointing to a display rack. The surrounding words show which function is intended. Use it to connect a conclusion or to point to something farther away or already identified.
可以
可以 means “can” in 我可以帮你 and “be possible” in 应该可以. In the first phrase it describes the assistant’s ability to help; in the second it gives a cautious assessment that an exchange is possible. It commonly comes before an action, as in 可以 + verb, and is useful when offering help or discussing permission or possibility.
帮
帮 means “help” in 我可以帮你退货或换货. It is followed by the person receiving help, 你, and then the action being helped with. A reusable pattern is 帮 + person + verb phrase; use it when offering assistance with a task.
退货
退货 means “return goods” in 帮你退货或换货, referring to giving the purchased item back to the shop. It is presented as one option alongside 换货. Use it in a shop when discussing returning an item rather than exchanging it.
或
或 means “or” in 退货或换货, presenting a choice between returning the goods and exchanging them. It commonly joins two alternative actions or options. Use it when offering or describing alternatives.
换货
换货 means “exchange goods” in 帮你退货或换货, referring to replacing the purchased item with another item or size. It is contrasted here with 退货 as the other shop option. Use it when requesting or discussing an exchange in a store.
更
更 means “rather” or “more” in 更想, showing a stronger preference for exchanging the shirt instead of choosing the other option just mentioned. It comes before 想 in this expression. Use 更 + description or action preference when comparing choices.
想
想 means “want” or “would like” in 更想把它换成大一点的尺码, expressing the customer’s preferred action. It comes before the action phrase 把它换成大一点的尺码. Use 想 + verb phrase when stating what you want to do.
它
它 means “it” in 把它换成大一点的尺码 and refers back to the shirt. It is the object being exchanged in the 把 construction. Use it when referring to a previously mentioned non-human item.
换
换 means “exchange” or “change” in 换货 and 换成大一点的尺码. In 换成, it describes changing the shirt into the requested larger size; in 换货, it refers to exchanging goods. Use 换成 + result when describing what something is changed into.
成
成 in 换成大一点的尺码 marks the result of the change: the shirt is exchanged into a larger size. It follows 换 to form the exact expression 换成. A reusable pattern is verb + 成 + result when describing a change into a new form or state.
大
大 means “large” or “bigger” in 大一点的尺码, describing the requested size as larger than the current one. It is softened by 一点 and modifies 尺码 through 的. Use 大一点的 + noun when asking for something slightly larger.
一点
一点 means “a little” or “slightly” in 大一点, making the requested size only somewhat larger. It follows 大 to form the comparison 大一点. Use adjective + 一点 when describing a small degree of difference.
的
的 links 大一点 to 尺码 in 大一点的尺码, making “slightly larger” describe the size. The pattern modifier + 的 + noun is used to place a description before a noun. Use it when specifying which item or type is meant.
尺码
尺码 means “size” in 大一点的尺码 and 试穿大一点的尺码. It refers to the clothing size the customer wants to exchange for and try on. Use it when asking about or comparing clothing sizes in a shop.
如果
如果 means “if” in 如果这件衬衫没穿过,应该可以, introducing the condition for the exchange. It comes before the condition, followed by the assistant’s conclusion. Use 如果 + condition when saying that one result depends on something being true.
没
没 in 没穿过 means that the shirt has not been worn. It appears before 穿过 to negate the prior experience or occurrence of wearing it. Use 没 + verb when stating that an action has not happened or an expected condition has not been met.
穿
穿 means “wear” in 没穿过, referring to wearing the shirt. With 过 and 没, the phrase says that the shirt has not previously been worn. Use it when talking about putting on or wearing clothing.
过
过 in 没穿过 marks prior experience of wearing, and the preceding 没 says that this experience has not occurred. The exact phrase 没穿过 is therefore the condition that the shirt remains unworn. A common pattern is verb + 过 for saying that something has happened before, with 没 indicating that it has not.
应该
应该 means “should” or “is likely to” in 应该可以, giving a cautious expectation that the exchange will be possible. It does not present the answer as an absolute guarantee. Use 应该 + possibility or action when giving a reasonable but careful assessment.
哪里
哪里 means “where” in 我在哪里可以试穿大一点的尺码, asking for the location of the larger size or a place to try it on. It is used with 在 to form 在哪里. Use 在哪里 when asking where an action can happen or where something is located.
试穿
试穿 means “try on clothing” in 试穿大一点的尺码. It describes putting on the requested larger size to check its fit. Use 试穿 + clothing or size when asking to try an item on in a clothing shop.
试衣间
试衣间 means “fitting room” in 试衣间在那个展示架后面. It names the place where the customer can try on the larger size. Use it in a clothing shop when directing someone to or asking about a place to try clothes.
个
个 is the general classifier in 那个展示架, placed between 那 and 展示架. The phrase 那个展示架 means “that display rack.” Use 那 + 个 + noun when pointing to one item with the general classifier.
展示架
展示架 means “display rack” in 那个展示架后面, identifying the rack used as a reference point in the shop. It follows 那个 and comes before 后面 in the location phrase. Use it when giving directions by referring to a rack or display stand.
后面
后面 means “behind” or “at the back” in 那个展示架后面, locating the fitting rooms relative to the display rack. The pattern X 在 Y 后面 states that X is behind Y. Use it when giving directions or describing the position of something at the back of another object.