for
01
为
used to indicate who is supposed to have or use something or where something is intended to be put
例子
I bought a ticket for the concert this evening.
我买了一张给今晚音乐会的票。
I 've prepared a surprise gift for my sister's graduation.
我为姐姐的毕业准备了一份惊喜礼物。
02
为, 在
used to indicate a time duration
例子
She has lived in the city for over ten years and knows all the best spots.
她在这个城市已经住了有十多年了，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叫出租车。
03
为, 用于
used to indicate the intended use, reason, or role of an object or action
例子
This tool is designed for cutting paper.
这个工具是设计用来剪纸的。
She bought a laptop for work.
她买了一台笔记本电脑用于工作。
04
为了, 以便
used to indicate the purpose or motive behind an action or effort
例子
She studied hard for the exam.
她为考试努力学习。
He worked overtime for a promotion.
他加班为了升职。
05
为
used to indicate the intended interpretation behind a word, concept, or gesture
例子
" Love " is a term used for expressing deep affection and care.
"爱"是一个用来表达深厚感情和关怀的术语。
The symbol " + " is commonly used for addition in mathematics.
符号"+"通常用于数学中的加法。
06
为
used to indicate the cause, motive, or justification behind an action or event
例子
He received a promotion for his hard work.
他因为努力工作而获得了晋升。
She was praised for her outstanding performance.
她因出色的表现而受到表扬。
07
为
used to indicate the extent or distance of something
例子
The hike went on for miles through the dense forest.
徒步旅行在茂密的森林中持续了数英里**。
The line for tickets stretched for blocks outside the theater.
为了买票的队伍在剧院外延伸了几个街区。
08
为, 前往
used to specify the place or location to which someone or something is intended to go
例子
He boarded a flight for Paris.
他登上了飞往巴黎的航班。
She packed her bags for the beach.
她收拾行李去海滩。
09
为
used to specify the intended or scheduled time for an event, activity, or arrangement
例子
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.
她为周五晚上预订了一张桌子。
10
为
used to specify the instance or event in which something happens or takes place
例子
He wore a suit and tie for the job interview.
他穿着西装和领带去参加求职面试。
We gathered together for the farewell dinner.
我们聚集在一起为告别晚餐。
11
为了, 交换
used to indicate a transaction or trading of one thing in return for another
例子
I traded my book for her notebook.
我用我的书换了她的笔记本。
She exchanged her dollars for euros at the currency exchange.
她在货币兑换处将美元兑换成欧元。
12
为
used to indicate a professional affiliation or employment relationship
例子
She works for a multinational corporation.
她为一家跨国公司工作。
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
used to indicate acting on behalf of someone or something, or standing in their place
例子
She spoke for her team at the meeting.
她在会议上为她的团队发言。
The ambassador negotiated for the country.
大使为国家进行了谈判。
例子
I'm rooting for you in the competition.
我在比赛中为你加油。
The delegate voted for the resolution.
代表投票支持该决议。
15
对于, 考虑到
used to indicate the anticipated or typical behavior, qualities, or outcomes associated with a particular entity
例子
The car is fast for its price range.
这辆车对于它的价格范围来说很快。
The movie was intense for a comedy.
这部电影作为一部喜剧来说很激烈。
16
对于
used to specify the reference point or standard by which something is judged, compared, or evaluated
例子
The music is too loud for my sensitive ears.
音乐对我敏感的耳朵来说太响了。
The book is too advanced for a beginner reader.
这本书对初学者读者来说太高级了。
17
为
used to indicate that the responsibility or decision-making authority lies with a specific person
例子
It 's for the jury to determine the verdict.
这是由陪审团来决定裁决的。
The teacher is accountable for the students' progress.
老师对学生的进步负责。
例子
She bought the painting for $ 200 at the auction.
她在拍卖会上以200美元的价格买下了这幅画。
The car was sold for a surprisingly low price.
这辆车以惊人的低价被出售。
for
01
因为，由于
used to introduce reasons, explanations, or purposes for actions, events, or statements
例子
She went to bed early, for she had an important meeting in the morning.
她早早上床睡觉，因为早上有一个重要的会议。
We canceled the picnic, for the weather forecast predicted heavy rain.
我们取消了野餐，因为天气预报预测有大雨。
