at
preposition /ət/, strong form /æt/
/ət/, strong form /æt/
Idioms - used to say where something/somebody is or where something happens
在（某处） - at the corner of the street
在街角 - We changed at Crewe.
我们在克鲁换的车。 - They arrived late at the airport.
他们晚到了机场。 - At the roundabout take the third exit.
在环岛处走第三个出口。 - I'll be at home all morning.
我一上午都在家。 - She's at Tom's (= at Tom's house).
她在汤姆家中。 - I met her at the hospital.
我在医院遇见了她。 - How many people were there at the concert?
音乐会上有多少人？
- at the corner of the street
- used to say where somebody works or studies
在（表示学习或工作地点） - He's been at the bank longer than anyone else.
他在银行工作的时间比任何人都长。 - She's at Yale (= Yale University).
她在耶鲁大学。
- He's been at the bank longer than anyone else.
- used to say when something happens
在（某时间或时刻） - We left at 2 o'clock.
我们在两点钟离开的。 - at the end of the week
在周末 - We woke at dawn.
我们在黎明醒来。 - I didn't know at the time of writing (= when I wrote).
我写的时候并不知道。 - At night you can see the stars.
夜晚可以看见星星。 - (British English) What are you doing at the weekend?
你打算周末干什么？
- We left at 2 o'clock.
- used to state the age at which somebody does something
在…岁时 - She got married at 25.
她 25 岁结婚。 - He left school at the age of 16.
他 16 岁中学毕业。
- She got married at 25.
- in the direction of or towards somebody/something
向；朝 - What are you looking at?
你在看什么？ - He pointed a gun at her.
他把枪口对着她。 - Somebody threw paint at the prime minister.
有人朝首相泼油漆。
- What are you looking at?
- used after a verb to show that somebody tries to do something, or partly does something, but does not succeed or complete it
（用于动词后，涉及未做成或未做完的事） - He clutched wildly at the rope as he fell.
他坠落时拼命想抓住绳子。 - She nibbled at a sandwich (= ate only small bits of it).
她一小口一小口地吃三明治。
- He clutched wildly at the rope as he fell.
- used with adjectives to show how well somebody does something
（与形容词连用，表示能力）在…方面 - I'm good at French.
我的法语很好。 - She's hopeless at managing people.
她对人事管理一窍不通。
- I'm good at French.
- used to show a rate, speed, etc.
（用于速度、比率等）以，达 - He was driving at 70 mph.
他以每小时 70 英里的速度驾车行驶。 - The noise came at two-minute intervals (= once every two minutes).
每两分钟传来一次响声。 - Prices start at $1 000.
起价 1 000 美元。 - The book retails at £19.95.
这本书的零售价为19.95英镑。
- He was driving at 70 mph.
- used to state the distance away from something
在…远；从相隔…远的地方 - I held it at arm's length.
我伸直胳膊提着它。 - Can you read a car number plate at fifty metres?
在五十米远处你能看清汽车牌吗？
- I held it at arm's length.
- used to show the situation somebody/something is in, what somebody is doing or what is happening
处于…状态 - The country is now at war.
这个国家正在打仗。 - I felt at a disadvantage.
我觉得处于不利地位。 - I think Mr Harris is at lunch.
我想哈里斯先生正在吃午饭。
- The country is now at war.
- at somebody’s/something’s best/worst, etc. used to say that somebody/something is as good, bad, etc. as they can be
处于最佳（或最差等）状态；在全盛（或谷底等）时期 - This was Osaka at her best.
这是她最好的大阪。 - The garden's at its most beautiful in June.
六月的花园最美丽。
- This was Osaka at her best.
- used with adjectives to show the cause of something
（与形容词连用）因为，由于，对… - They were impatient at the delay.
他们对拖延不耐烦了。 - She was delighted at the result.
她对这个结果感到高兴。
- They were impatient at the delay.
- (formal) in response to something
应…（而）；响应；回答 - They attended the dinner at the chairman's invitation.
他们应董事长之邀出席了宴会。
- They attended the dinner at the chairman's invitation.
- (North American English) used when giving a phone number
（提供电话号码时用） - You can reach me at 637-2335, extension 354.
你可以打 637-2335 这个电话号码，转分机 354 与我联系。
- You can reach me at 637-2335, extension 354.
- /æt//æt/(computing
计算机 （用于电子邮箱地址中的符号 @）
词源Old English æt, of Germanic origin; related to Old Frisian et and Old Norse at, from an Indo-European root shared by Latin ad ‘to’.
Idioms
at that
- used when you are giving an extra piece of information
（提供额外信息时）而且还 - He managed to buy a car after all—and a nice one at that.
他终于设法买了一辆小轿车，而且还挺不错的。
- He managed to buy a car after all—and a nice one at that.
be at it again
- to be doing something, especially something bad
正在做某事（尤指坏事） - Look at all that graffiti—those kids have been at it again.
瞧，那么多涂鸦，又是那些孩子干的好事。
- Look at all that graffiti—those kids have been at it again.
where it’s at
- (informal) a place or an activity that is very popular or fashionable
盛大活动（场合）；流行活动（地方） - Judging by the crowds waiting to get in, this seems to be where it's at.
从等待入场的人群来看，这好像是个盛大活动。
- Judging by the crowds waiting to get in, this seems to be where it's at.