to
1. PREP 介词(表示方向、目的地)向，朝，往，到
2. PREP 介词去(参加) If you go to an event, you go where it is taking place.
We went to a party at the leisure centre... 我们去休闲活动中心参加了一个聚会。
3. PREP 介词(表示位置)在，位于 You use to when indicating the position of something. For example, if something is to your left, it is nearer your left side than your right side.
Hemingway's studio is to the right... 海明威的工作室在右面。
You will see the chapel on the hill to your left… 你会看见那座小教堂在你左侧的山上。
4 介词(表示动作或情感的对象)对，于 You use to to indicate who or what an action or a feeling is directed towards. 搭配模式：adj/n PREP nMarcus has been most unkind to me today... 马库斯今天对我非常无礼。
…troops loyal to the government. 忠于政府的军队
5. PREP 介词(表示变化)倾向于，趋于，至 You use to when indicating what something or someone is becoming, or the state or situation that they are progressing towards.
The shouts changed to screams of terror. 喊叫声变成了惊恐的尖叫声。
6介词(表示时间、数量的界限)达到 You use to to indicate that something happens until the time or amount mentioned is reached.
Every vehicle was banned from coming into Mexico City one day a week from Monday to Friday… 每周一到周五期间都会有一天禁止所有车辆进入墨西哥城。
7 介词伴随;随同 You use to when indicating that two things happen at the same time. For example, if something is done to music, it is done at the same time as music is being played.
Romeo left the stage, to enthusiastic applause... 罗密欧在热烈的掌声中离开了舞台。
Amy woke up to the sound of her doorbell ringing... 随着门铃叮当作响，埃米醒来了。
at 的用法
1. PREP 介词在（某地）；在（某场合） You use at to indicate the place or event where something happens or is situated.
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） If someone is at school or college, or at a particular school or college, they go there regularly to study.
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 If you are at something such as a table, a door, or someone's side, you are next to it or them.
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 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.
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） If something happens at a particular time, that is the time when it happens or begins to happen.
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 If you do something at a particular age, you do it when you are that age.
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） You use at to express a rate, frequency, level, or price.
I drove back down the highway at normal speed... 我以正常车速沿公路返回。
Check the oil at regular intervals, and have the car serviced regularly... 定期检查汽油，并对车辆进行定期维护。
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 a sq ft. 价格在每平方英尺16至100美元不等的定制地毯。
8. PREP 介词以，达（某一数量） You use at before a number or amount to indicate a measurement. 搭配模式：PREP amountWeighing 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） If you look at someone or something, you look towards them. If you direct an object or a comment at someone, you direct it towards them.
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） 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 which someone is meant to see or understand. 搭配模式：v PREP nShe 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… 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. 搭配模式：v PREP nHe 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 If you are working at something, you are dealing with it. If you are aiming at something, you are trying to achieve it.
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） If something is done at someone's invitation or request, it is done as a result of it. 搭配模式：PREP n with possShe 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 You use at to say that someone or something is in a particular state or condition. 搭配模式：v-link PREP nI 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） 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. 搭配模式：PREP poss adj-superlHe was at his happiest whilst 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 介词以…方式 You use at to say how something is being done.
Three people were killed by shots fired at random from a minibus... 3个人被从一辆面包车中发射的乱弹打死了。
Mr Martin was taken out of his car at gunpoint. 马丁先生被人用枪指着从车里带了出来。
17. PREP 介词（表示某人重复做某事） You use at to show that someone is doing something repeatedly. 搭配模式：v PREP nShe lowered the handkerchief which she had kept dabbing at her eyes... 她放下了那块一直用来擦眼睛的手帕。
Miss Melville took a cookie and nibbled at it. 梅尔维尔小姐拿起一块饼干小口吃起来。
18. PREP 介词在…方面（擅长） You use at to indicate an activity or task when saying how well someone does it. 搭配模式：adj PREP nI'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。
19. PREP 介词对…的反应 You use at to indicate what someone is reacting to. 搭配模式：adj PREP nEleanor 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。
into的用法
1. PREP 介词(放)到…里面 If you put one thing into another, you put the first thing inside the second.
2. PREP 介词进入(地方、车辆) If you go into a place or vehicle, you move from being outside it to being inside it.
I have no idea how he got into Iraq... 我不知道他是怎样进入伊拉克的。
3 介词(融)入;(渗)入;(进)入 If one thing gets into another, the first thing enters the second and becomes part of it.
Poisonous smoke had got into the water supply... 毒烟已经进入供水系统。
4 PREP 介词(碰)上;(撞)上 If you are walking or driving a vehicle and you bump into something or crash into something, you hit it accidentally.
5 介词(穿)上;(换)上 When you get into a piece of clothing, you put it on.
She could change into a different outfit in two minutes... 她能在两分钟内换上一套不同的行头。
He put on his underwear and got into his suit. 他穿好内衣,然后穿上西装。
6介词进入(…状态) If someone or something gets into a particular state, they start being in that state. 搭配模式：v PREP nHe had too much time on his hands and that caused him to get into trouble... 他手头时间太富裕了,反倒为他惹来了麻烦。
I slid into a depression. 我逐渐消沉了。
...the group's plunge into financial crisis earlier in the year. 该集团年初陷入财政危机
7介词成为;转变为 If something changes into something else, it then has a new form, shape, or nature.
...his attempt to turn a nasty episode into a joke. 他想把一段很不愉快的插曲变成一则笑话的尝试
8 介词对…很感兴趣;极喜欢 If you are very interested in something and like it very much, you can say that you are into it. 搭配模式：v-link PREP n
STYLE标签：INFORMAL 非正式I'm into electronics myself. 我本身对电子很感兴趣。