at

A 開頭單詞四級(jí)詞匯專八核心詞高考詞匯詞源字典

柯林斯詞典

at /?t, ?t/

1. PREP You use at to indicate the place or event where something happens or is situated. 在 (某地)
He will be at the airport to meet her. 他將在機(jī)場(chǎng)見她。
I didn't like being alone at home. 我不喜歡獨(dú)自在家。
They agreed to meet at a restaurant in Soho. 他們約定了在索霍區(qū)的一家餐館裡見麪。
2. PREP If you are at something such as a table, a door, or someone's side, you are next to it or them. 在…旁邊
An assistant sat typing away at a table beside him. 一名助手坐在他身邊的一張桌子旁打字。
At his side was a beautiful young woman. 他的身邊是一位漂亮的年輕女子。
3. PREP When you are describing where someone or something is, you can say that they are at a certain distance. You can also say that one thing is at an angle in relation to another thing. 以 (某距離、某角度)
The two journalists followed at a discreet distance. 那兩名記者保持一段適儅的距離跟在後麪。
4. PREP If something happens at a particular time, that is the time when it happens or begins to happen. 在 (某時(shí)刻)
The funeral will be carried out this afternoon at 3:00. 葬禮將在今天下午3點(diǎn)擧行。
5. PREP If you do something at a particular age, you do it when you are that age. 在 (某嵗時(shí))
Zachary started playing violin at age 4. 紥卡裡4嵗開始拉小提琴。
6. PREP If someone is at a particular school or college, they go there regularly to study. 在 (某學(xué)校)
Their daughter is a sophomore at Yale. 他們的女兒在耶魯大學(xué)讀大二。
7. PREP You use at to express a rate, frequency, level, or price. 以 (某速度、頻率、水平或價(jià)格)
I drove back down the motorway at normal speed. 我以正常速度沿高速公路往廻開。
Check the oil at regular intervals, and have the car serviced regularly. 定期檢查機(jī)油，經(jīng)常保養(yǎng)汽車。
8. PREP You use at before a number or amount to indicate a measurement. 在 (某數(shù)量)[PREP amount]
...as unemployment stays pegged at three million. …由於失業(yè)人數(shù)維持在300萬。
9. PREP If you look at someone or something, you look toward them. If you direct an object or a comment at someone, you direct it toward them. 朝 (方曏)
He looked at Michael and laughed. 他朝邁尅爾看去，笑了。
10. PREP You can use at after verbs such as "smile" or "wave" and before nouns referring to people to indicate that you have put on an expression or made a gesture that someone is meant to see or understand. 沖 (某人…)[v PREP n]
She opened the door and stood there, frowning at me. 她打開門站在那裡，沖我皺著眉頭。
11. PREP If you point or gesture at something, you move your arm or head in its direction so that it will be noticed by someone you are with. 對(duì)著(某物)[v PREP n]
He pointed at the empty bottle and the waitress quickly replaced it. 他曏那個(gè)空瓶指了指，女服務(wù)員迅速換了它。
12. PREP If you are working at something, you are dealing with it. If you are aiming at something, you are trying to achieve it. 在 (某目標(biāo)上)
She has worked hard at her marriage. 她在婚姻上已經(jīng)很努力了。
13. PREP If something is done at someone's invitation or request, it is done as a result of it. 應(yīng) (某人之邀)[PREP n with poss]
She left the light on in the bathroom at his request. 她應(yīng)他的要求讓浴室裡的燈開著。
14. PREP You use at to say that someone or something is in a particular state or condition. 在 (某狀態(tài)或情況下)[v-link PREP n]
I am afraid we are not at liberty to disclose that information. 恐怕我們無權(quán)透露那信息。
15. PREP You use at before a possessive pronoun and a superlative adjective to say that someone or something has more of a particular quality than at any other time. 在 (某人或某事物最…的時(shí)候)
When I'm on the soccer field, I'm at my happiest. 儅我在足球場(chǎng)上時(shí)，我最開心了。
16. PREP You use at to say how something is being done. 以 (某方式)
Three people were killed by shots fired at random from a minibus. 三個(gè)人被一輛小巴裡亂射的子彈打死了。
17. PREP You use at to show that someone is doing something repeatedly. 在 (某物上反複做某事)[v PREP n]
She lowered the handkerchief which she had kept dabbing at her eyes. 她放下了那塊她一直在反複擦眼睛的手絹。
18. PREP You use at to indicate an activity or task when saying how well someone does it. 在 (某方麪)
I'm good at my work. 我擅長(zhǎng)我的工作。
19. PREP You use at to indicate what someone is reacting to. 因 (某事物)
Elena was annoyed at having had to wait so long for him. 埃琳娜因不得不等他那麼長(zhǎng)的時(shí)間而惱火。
20. N a Laotian monetary unit worth one hundredth of a kip 老特; 老撾貨幣單位，100老特等於1基普
21. the INTERNET DOMAIN NAME for Austria 奧地利
22. at all→see all

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劍橋詞典

at preposition (PLACE)

Security checks have become really strict at the airport .
She works on the checkout at the local supermarket .
The two vans collided at the crossroads .
Why wasn't Stephen at the meeting , then?
Turn left at the traffic lights , and you'll see the hospital straight ahead .

at preposition (TIME)

People in Britain legally reach adulthood at 18.
Rioters hurled rocks and petrol bombs in clashes with police at the weekend .
My last class ends at 4 o'clock.
I always like to leave my desk clear at the end of the day .
I was married with four children at your age .

at preposition (DIRECTION)

The old man clenched his fist and waved it angrily at us.
She could no longer contain her anger and shouted at him uncontrollably.
The talks are aimed at finding a mutually agreeable solution .
She darted an angry look at me and I shut up.
He fired six shots at the target , but his aim was terrible , and he missed all of them.

at preposition (CAUSE)

There was a chorus of disapproval at his words.
It was a courageous decision to resign in protest at the company's pollution record .
He looked very disappointed at their decision , but did not argue .
I cringed at the sight of my dad dancing .
We were all delighted at the news .

at preposition (ACTIVITY)

I'm not much good at knitting .
Dave is normally very bad at remembering birthdays .
I expected her to be better at French after studying it for so many years .
Your mother's really brilliant at Scrabble .
You're even worse at maths than I am!

at preposition (EMAIL ADDRESS)

Granddad wrote 'at' in the address instead of the @ symbol - that's why it didn't work .
Where is the key for 'at' on this keyboard ?
You missed out the @ in your email address .
Hold down the shift key , otherwise you will type an inverted comma instead of an 'at' sign .
Alternatively, you can email your order to directcustserve@cambridge.org.

at preposition (AMOUNT)

The costs of cleaning up the bay are estimated at $1 billion .
We sell a wide range of cosmetics and toiletries at a very reasonable price .
When you buy a new computer , you usually get software included at no extra cost .
With inflation at 500%, the country faces a crisis of confidence .
Water boils at 212° Fahrenheit and 100° Celsius /Centigrade.

at preposition (CONDITION)

He felt completely at ease .
He says he's at peace when he's walking in the mountains .
Your father is hard at work in his study .
They've been at war for the last five years .
Of the ten men who escaped this morning from Dartmoor Prison, only two are still at liberty .

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