介词at用法

at
1.[PREP 介词] 在[某地]; 在某场合；
We had dinner at a restaurant in Attleborough...
我们在阿特尔伯勒的一家餐厅里吃的饭。
He will be at the airport to meet her...
他将去机场接她。
I didn't like being alone at home...
我不喜欢一个人呆在家里。
Hamstrings are supporting muscles at the back of the thigh...
腿筋是位于大腿后侧起支撑作用的肌肉。
The announcement was made at a news conference.
这项声明是在新闻发布会上宣布的。
2.[PREP 介词] 在上学；
He was shy and nervous as a boy, and unhappy at school...
他小时候既害羞又胆怯，在学校过得并不快乐。
It was at university that he first encountered Hopkins...
他第一次遇见霍普金斯是在上大学的时候。
I majored in psychology at Hunter College.
在亨特学院求学时，我主修心理学。
3.[PREP 介词] 在旁边；靠近；
An assistant sat typing away at a table beside him...
助手坐在他身旁的一张桌子上埋头打字。
Graham was already at the door...
格雷厄姆已经在门口了。
At his side was a beautiful young woman...
他旁边是个年轻漂亮的女子。
He gave the girl at the desk the message.
他把便条递给了桌旁的女孩
4[PREP 介词] 从相隔一段距离的地方;呈角度；
The two journalists followed at a discreet distance...
那两个记者谨慎地保持距离跟在后面。
The tree was leaning at a low angle from the ground.
那棵树倾斜得非常厉害。
5[PREP 介词] 在某时间或时刻；
The funeral will be carried out this afternoon at 3.00...
葬礼将在今天下午3点举行。
He only sees her at Christmas and Easter.
他只有在圣诞节和复活节时才能见到她。
6[PREP 介词] 在[某一年龄时]; 在岁时；
Blake emigrated to Australia with his family at 13...
布莱克在13岁时随家人移民到了澳大利亚。
Mary Martin has died at her home in California at the age of seventy-six.
玛丽·马丁76岁时卒于加利福尼亚家中。
7[PREP 介词] 以，达某一速度、频率、水平或价格；
I drove back down the highway at normal speed...
我以正常车速沿公路返回。
The submarine lies at a depth of 6,000 feet in the Barents Sea.
潜艇位于巴伦支海水下6,000英尺深处。
//...custom-designed rugs at $16 to $100
价格在每平方英尺16至100美元的定制地毯。
8[PREP 介词] 以，达某一数量；
Weighing in at eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world.
B-19重达80吨，无疑是世界上最大、最先进的军用飞机。
//...as unemployment stays pegged at three million.
当失业人数维持在300万
9[PREP 介词] 朝[某人或某物看]; 向[某人掷物]; 冲某人说话；
He looked at Michael and laughed...
他看着迈克尔笑了。
The crowds became violent and threw petrol bombs at the police...
人群变得狂暴起来，并向警察投掷汽油弹。
A couple of people started shouting abuse

at them as they walked past a pub.
当他们经过一个酒吧时，有几个人开始朝他们谩骂。
10[PREP 介词] 向，朝某人微笑、招手等；
She opened the door and stood there, frowning at me...
她打开门站在那里，朝我皱着眉头。
We waved at the staff to try to get the bill.
我们向工作人员招了招手，想要买单。
11[PREP 介词] 指向；
He pointed at the empty bottle and the waitress quickly replaced it...
他指了指空瓶子，女服务员立即重新拿了一瓶。
He gestured at the shelves. 'I've bought many books from him.'
他指着书架说，“我已经从他那里买了不少书了”。
12[PREP 介词] 致力于;定位于;期望达到；
She has worked hard at her marriage.
她努力维系着她的婚姻。
//...a $1.04m grant aimed at improving student performance on placement examinations.
旨在提高学生编班考试成绩的104万美元拨款
13[PREP 介词] 应某人邀请或要求；
She left the light on in the bathroom at his request...
她按照他的要求将浴室里的灯开着。
I visited Japan in 1987 at the invitation of the Foreign Minister.
应日本外相的邀请，我于1987年访问了日本。
14[PREP 介词] 处在状态；
I am afraid we are not at liberty to disclose that information...
恐怕我们无权透露这一信息。
Their countries had been at war for nearly six weeks.
他们的国家陷入战争状态已将近6个星期了。
15[PREP 介词] 用于所有格代词和形容词最高级前，表示某人或某物在此时的某一特征最鲜明；
He was at his happiest while playing cricket...
玩板球时他最开心了。
Howards End is old fashioned film-making at its best.
《霍华德庄园》是一部经典的老派电影。
16[PREP 介词] 在方面擅长；
I'm good at my work...
我对自己的工作得心应手。
Robin is an expert at cheesemaking...
罗宾是奶酪制作专家。
She excels at sport.
她擅长体育运动。
17[PREP 介词] 对的反应；
Eleanor was annoyed at having had to wait so long for him...
埃莉诺为不得不等他这么长时间而感到很恼火。
The British team did not disguise their delight at their success...
英国队毫不掩饰他们获胜的喜悦。
Six months ago she would have laughed at the idea.
要是在6个月前，她会对这个想法嗤之以鼻。