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for
01
用于, 为了
used to indicate who is supposed to have or use something or where something is intended to be put
Example
I bought a ticket for the concert this evening.
我买了今晚音乐会的票，为了这个音乐会。
I 've prepared a surprise gift for my sister's graduation.
我为我姐姐的毕业准备了一个惊喜礼物。
02
为期, 达
used to indicate a time duration
Example
She has lived in the city for over ten years and knows all the best spots.
她在这个城市里生活了超过十年，为期知道所有最好的地方。
We waited at the bus stop for thirty minutes before deciding to call a taxi.
我们在公交车站等了三十分钟，才决定打电话叫出租车。
03
用于, 为了
used to indicate the intended use, reason, or role of an object or action
Example
This tool is designed for cutting paper.
这个工具用于切割纸张。
She bought a laptop for work.
她买了一台用于工作的笔记本电脑。
04
为了, 用于
used to indicate the purpose or motive behind an action or effort
Example
She studied hard for the exam.
她为了考试而努力学习。
He worked overtime for a promotion.
为了晋升，他加班了。
05
作为, 为了
used to indicate the intended interpretation behind a word, concept, or gesture
Example
" Love " is a term used for expressing deep affection and care.
“爱”是一个作为表达深厚情感和关爱的词。
The symbol " + " is commonly used for addition in mathematics.
在数学中，符号 " + " 通常作为加法使用。
06
因为, 由于
used to indicate the cause, motive, or justification behind an action or event
Example
He received a promotion for his hard work.
他因为努力工作而晋升。
She was praised for her outstanding performance.
她因为出色的表现而受到称赞。
07
到, 为
used to indicate the extent or distance of something
Example
The hike went on for miles through the dense forest.
这次徒步旅行在茂密的森林中持续了几英里。
The line for tickets stretched for blocks outside the theater.
买票的队伍在剧院外排了好几个街区。
08
去 (qù), 为 (wèi)
used to specify the place or location to which someone or something is intended to go
Example
He boarded a flight for Paris.
他登上了一班去巴黎的航班。
She packed her bags for the beach.
她为去海滩收拾了行李。
09
用于表示事件、活动或安排的预定时间的介词，例如：“会议定于下午2点举行。”, 用于指定一个事件的时间，比如：“会议定于下午2点。”
used to specify the intended or scheduled time for an event, activity, or arrangement
Example
The meeting is scheduled for 2 p.m.
会议定于下午2点举行。
She reserved a table for Friday evening.
她为周五晚上预定了一个桌子。
10
为了, 在...的情况下
used to specify the instance or event in which something happens or takes place
Example
He wore a suit and tie for the job interview.
他为了工作面试穿了西装和领带。
We gathered together for the farewell dinner.
我们聚在一起为了告别晚宴。
11
为了, 作为交换
used to indicate a transaction or trading of one thing in return for another
Example
I traded my book for her notebook.
我把我的书为了她的笔记本。
She exchanged her dollars for euros at the currency exchange.
她在货币兑换处用美元换取欧元。,她在货币兑换处用美元兑换欧元，作为交换。
12
为, 在
used to indicate a professional affiliation or employment relationship
Example
She works for a multinational corporation.
她在一家跨国公司工作。
He is a software engineer for a technology startup.
他是一家科技初创公司的软件工程师。
13
为了, 代替
used to indicate acting on behalf of someone or something, or standing in their place
Example
She spoke for her team at the meeting.
她在会议上为了她的团队发言。
The ambassador negotiated for the country.
大使为了这个国家进行谈判。
14
支持, 赞成
used to indicate being in favor of or endorsing someone or something
Example
I'm rooting for you in the competition.
我支持你在比赛中。,我赞成你在比赛中。
The delegate voted for the resolution.
代表赞成了该决议。
15
对于, 在...看来
used to indicate the anticipated or typical behavior, qualities, or outcomes associated with a particular entity
Example
The car is fast for its price range.
在这个价位来说，这辆车很快。
The movie was intense for a comedy.
这部电影对于一部喜剧来说太紧张了。
16
对于, 为了
used to specify the reference point or standard by which something is judged, compared, or evaluated
Example
The music is too loud for my sensitive ears.
这音乐对我敏感的耳朵太大声了。
The book is too advanced for a beginner reader.
这本书对于初学者来说太先进了。
17
由...负责, 由...决定
used to indicate that the responsibility or decision-making authority lies with a specific person
Example
It 's for the jury to determine the verdict.
由陪审团负责裁定判决。
The teacher is accountable for the students' progress.
老师由学生的进步负责。
for
01
因为, 由于
used to introduce reasons, explanations, or purposes for actions, events, or statements
Example
She went to bed early, for she had an important meeting in the morning.
她早早上床睡觉，因为她早上有一个重要会议。
We canceled the picnic, for the weather forecast predicted heavy rain.
我们取消了野餐，因为天气预报预示着会下大雨。
