1.VERB 动词 知道；知悉；了解 If you know a fact, a piece of information, or an answer, you have it correctly in your mind.

【语法信息】：V n

【语法信息】：V that

【语法信息】：V wh

【语法信息】：V

【语法信息】：V about n/-ing

【语法信息】：V n to-inf

【语法信息】：itbe V-ed wh

【语法信息】：itbe V-ed that

【搭配模式】：no cont

I don't know the name of the place...我不知道那个地方的名字。

I know that you led a rifle platoon during the Second World War...我知道你在二战期间率领一个步枪排。

'People like doing things for nothing.' — 'I know they do.'...“人们喜欢没事找事。”——“我知道确实是那样。”I don't know what happened to her husband...我不知道她丈夫出了什么事。'How did he meet your mother?' — 'I don't know.'...“他怎么认识你母亲的？”——“我不知道。”We all know about his early experiments in flying...我们都了解他早期的飞行试验。They looked younger than I knew them to be...他们看起来比我所知道的实际年龄显小。Radon is known to be harmful to humans in large quantities...众所周知，大量的氡会对人体造成伤害。It is not known whether the bomb was originally intended for the capital itself...尚不清楚炸弹起初的轰炸目标是否是首都。It's always been known that key figures in the government do very well for themselves.众所周知政府中的要员都很会保全自己的利益。

2.VERB 动词 熟识；认识 If you know someone, you are familiar with them because you have met them and talked to them before.

【语法信息】：V n

【搭配模式】：no cont

Gifford was a friend. I'd known him for nine years...吉福德是我的一位朋友。我和他认识9年了。

Do you two know each other?...你们俩互相认识吗？

He doesn't know anybody in London.他在伦敦谁也不认识。

3.VERB 动词 听说过；略有耳闻 If you say that you know of something, you mean that you have heard about it but you do not necessarily have a lot of information about it.

【语法信息】：V of n

【搭配模式】：no cont

We know of the incident but have no further details...我们听说过这件事，但对详情不是很清楚。

The president admitted that he did not know of any rebels having surrendered so far...总统承认据他所知迄今为止还没有反叛者投降。

I know of no one who would want to murder Albert.我没听说有人想杀艾伯特。

4.VERB 动词 了解，掌握（某一学科） If you know about a subject, you have studied it or taken an interest in it, and understand part or all of it.

【语法信息】：V about n

【语法信息】：V amount about n

【搭配模式】：no cont

Hire someone with experience, someone who knows about real estate...雇佣有经验、了解房地产业的人。

She didn't know anything about music but she liked to sing.虽然她对音乐一无所知，但却爱唱歌。

5.VERB 动词 学会，掌握（语言） If you know a language, you have learned it and can understand it.

【语法信息】：V n

【搭配模式】：no cont

It helps to know French and Creole if you want to understand some of the lyrics...如果你想读懂一些抒情诗，学点法语和克里奥尔语是有帮助的。

Rachel already knows as many words in German as she does in English...雷切尔掌握的德语词汇已经和她掌握的英语词汇一样多了。

Her new classmates knew no Latin.她的新同学不会拉丁语。

6.VERB 动词 熟悉；了解 If you know something such as a place, a work of art, or an idea, you have visited it, seen it, read it, or heard about it, and so you are familiar with it.

【语法信息】：V n

【搭配模式】：no cont

No matter how well you know Paris, it is easy to get lost...不管你对巴黎多么熟悉，也很容易迷路。

I don't know the play, I've just come to see it.我不了解这部剧，只是来看看。

7.VERB 动词 会；能 If you know how to do something, you have the necessary skills and knowledge to do it.

【语法信息】：V wh-to-inf

【搭配模式】：no cont

The health authorities now know how to deal with the disease...卫生部门现在知道如何对付这种病了。

We know what to do to make it work.我们知道如何让它起作用。

8.VERB 动词 意识到；觉察到 You can say that someone knows that something is happening when they become aware of it.

【语法信息】：V that

【语法信息】：V about n

【搭配模式】：no cont

Then I saw a gun under the hall table so I knew that something was wrong...后来我看到大厅的桌子下有一把枪，我就意识到有些不对劲儿。

The first I knew about it was when I woke up in the ambulance.当我从救护车中苏醒过来时才知道发生了什么事。

9.VERB 动词 认出；辨认出 If you know something or someone, you recognize them when you see them or hear them.

【语法信息】：V n

【搭配模式】：no cont

Would she know you if she saw you on the street?...如果她在大街上看到你，能认出你吗？

I thought I knew the voice.我觉得在哪里听过这声音。

10.VERB 动词 称为；叫做 If someone or something is known as a particular name, they are called by that name.

【语法信息】：be V-ed as n

【语法信息】：V n as n

【语法信息】：V n by n

【语法信息】：V-ed

【搭配模式】：no cont

The disease is more commonly known as Mad Cow Disease...这种疾病更通俗的名称是疯牛病。

He was born as John Birks Gillespie, but everyone knew him as Dizzy...他本名为约翰·伯克斯·吉莱斯皮，但人人都叫他“小迷糊”。

He was the only boy in the school who was known by his Christian name and not his surname.他是学校里唯一一个被称呼洗礼名而不是姓氏的男孩儿。...British Nuclear Fuels, otherwise known as BNFL.英国核料烧股份有限公司，也称BNFL。

11.VERB 动词 认为…是；把…看作是 If you know someone or something as a person or thing that has particular qualities, you consider that they have those qualities.

【语法信息】：V n as n

【语法信息】：V n for n

Lots of people know her as a very kind woman...很多人认为她是个非常善良的女人。

We know them as inaccurate and misleading property descriptions...我们认为对性状的这些描述是不准确的，且会使人产生误解。

Kemp knew him for a meticulous officer.肯普认为他是个很细心的官员。

12.VERB 动词 （因某工作或角色）认识 If you know someone as a person with a particular job or role, you are familiar with them in that job or role, rather than in any other.

【语法信息】：V n as n

Most of us know her as the woman who used to present the television news...我们大多数人认识她是因为她曾主持过电视新闻节目。

The soldiers — all of whom we knew as neighbours — stood around pointing guns at us.那些士兵——我们都视之为邻居的人——站在四周用枪指着我们。

13. See also: knowing;known;

14.PHRASE 短语 现行的；我们熟悉的；我们熟知的 If you talk about a thing or system as we know it, you are referring to the form in which it exists now and which is familiar to most people.

【搭配模式】：n PHR

He planned to end the welfare system as we know it.他计划终止现行的福利制度。

...those values of our culture that are essential to civilisation as we know it.我们文化中那些构成我们所熟悉的文明社会之根基的价值观

15.PHRASE 短语 （花时间）了解 If you get to know someone, you find out what they are like by spending time with them.

【搭配模式】：get inflects

The new neighbours were getting to know each other...新邻居之间正在互相了解。

I'd really like to see you again and get to know you better.我很愿意再次见到你并且更多地了解你。

16.PHRASE 短语 谁知道；天晓得 People use expressions such as goodness knows ,Heaven knows, and God knows when they do not know something and want to suggest that nobody could possibly know it.

【搭配模式】：PHR as reply

【STYLE标签】：INFORMAL 非正式

'Who's he?' — 'God knows.'“他是谁？”——“天晓得。”

Old Gunga spoke God knows how many languages...老贡嘎会说很多种语言，天晓得有多少种。

Heaven only knows what his mother would have said.天晓得他母亲原本会说什么。

17.CONVENTION 惯用语 （表示同意）我理解，我有同感，我知道 You say 'I know' to show that you agree with what has just been said.

'This country is so awful.' — 'I know, I know.'“这个国家太糟糕了。”——“的确是，的确是。”

18.CONVENTION 惯用语 （表示接受）我知道 You say 'I know' to show that you accept that something is true, but think that it is not very important or relevant.

'There are trains straight from Cambridge.' — 'I know, but it's no quicker.'“有直接从剑桥开出的列车。”——“我知道，但也不快。”

19.PHRASE 短语 （表示同情和理解）我理解，我知道 You use 'I know' to express sympathy and understanding towards someone.

【搭配模式】：PHR wh/that

I'm sorry, George. I know how you feel...我很遗憾，乔治。我理解你的感受。

I know what you're going through.我知道你正在经受什么样的煎熬。

20.PHRASE 短语 不知道，不认为（表示不完全同意或不认为是真的） You can use I don't know to indicate that you do not completely agree with something or do not really think that it is true.

【搭配模式】：usu PHR about n

'He should quite simply resign.' — 'I don't know about that.'“他就该辞职。”——“我不知道。”

I don't know that it's made the decision any easier.我不认为这对作出决定有丝毫帮助。

21.PHRASE 短语 我不知道你（们）怎么想（表示将表达自己想法并想知道他人的看法） You can say 'I don't know about you' to indicate that you are going to give your own opinion about something and you want to find out if someone else feels the same.

【搭配模式】：PHR but cl

I don't know about the rest of you, but I'm hungry...我不知道你们怎么样，但我是饿了。

I don't know about you, but I've had just about enough of this.我不知道你怎么想，但我已经受够了。

22.PHRASE 短语 （表示批评某人的行为）真想不到，真不知道 You use I don't know in expressions which indicate criticism of someone's behaviour. For example, if you say that you do not know how someone can do something, you mean that you cannot understand or accept them doing it.

【搭配模式】：PHR wh

【语用信息】：disapproval

I don't know how he could do this to his own daughter...真想不到他竟对自己的女儿这样。

I don't know how you can say that...真想不到你竟说那话。

I don't know what those folk think they are playing at.真不知道那些家伙在搞什么鬼。

23.PHRASE 短语 我要是知道就好了；我根本不知道 People sometimes use expressions such as I'm blessed if I know or damned if I know to emphasize the fact that they do not know something.

【搭配模式】：oft PHR as reply

【语用信息】：emphasis

【STYLE标签】：INFORMAL 非正式

'What was that all about?' — 'Damned if I know.'“那都是关于什么的？”——“我要知道就好了。”

I'm damned if I know what plans he has in that direction.我压根不知道他在那方面有什么计划。

24.PHRASE 短语 知情；（尤指）熟悉内幕，掌握内情 If you are in the know about something, especially something that is not known about or understood by many people, you have information about it.

【搭配模式】：usu v-link PHR

It was gratifying to be in the know about important people...了解重要人物的一些内幕真令人高兴。

He takes crucial decisions without consulting people in the know.他没有咨询相关知情人士就作了重要的决定。

25.CONVENTION 惯用语 （表示所说的话对方理解）你是知道的，你知道我的意思 You can use expressions such as you know what I mean and if you know what I mean to suggest that the person listening to you understands what you are trying to say, and so you do not have to explain any more.

【STYLE标签】：SPOKEN 口语

None of us stayed long. I mean, the atmosphere wasn't — well, you know what I mean...我们都没呆太久。我的意思是，气氛并不是——唔，你知道我的意思。

She was a bit stuck up, know what I mean?她有点自命不凡，你明白我的意思吧?

26.CONVENTION 惯用语 （指可能会发生好事）很难说，很难预料 You say 'You never know' or 'One never knows' to indicate that it is not definite or certain what will happen in the future, and to suggest that there is some hope that things will turn out well.

【语用信息】：vagueness

You never know, I might get lucky...很难说，我也许会交好运呢。

There might be an even bigger one — I doubt it, but you never know.可能还有个比这还要大的——我觉得有点悬，但也很难说。

27.CONVENTION 惯用语 据我所知没有 You say 'Not that I know of' when someone has asked you whether or not something is true and you think the answer is 'no' but you cannot be sure because you do not know all the facts.

【语用信息】：vagueness

'Is he married?' — 'Not that I know of.'“他结婚了吗？”——“据我所知没有。”

28.PHRASE 短语 我怎么知道；我不知道 You can say 'How was I to know?', or in British English 'I wasn't to know', to mean that you cannot be blamed or criticized for something you did, because you did not have enough information to realize that it was wrong.

【搭配模式】：oft PHR cl

How was I to know you'd return so suddenly?...我怎么知道你会这么突然就回来?

You weren't to know — in fact, I think I'm the only person who does know.你不会知道——实际上，我想我是唯一真正知道的人。

29.PHRASE 短语 （某人）知道什么，懂什么（表示其没有资格评论） You can use expressions such as What does she know? and What do they know? when you think that someone has no right to comment on a situation because they do not understand it.

【搭配模式】：oft PHR about n

【语用信息】：disapproval

Don't listen to him, what does he know?...别听他的，他知道什么？

I always felt his attitude was, 'What do you know about it?'我感觉他总是那种“你懂什么？”的态度。

30.EXCLAM 感叹语 （表示惊讶）你看怪不怪，真没想到 People sometimes say 'What do you know!' when they are very surprised about something.

【语用信息】：feelings

【STYLE标签】：INFORMAL 非正式

Well, what do you know!哎呀，真没想到！

31.CONVENTION 惯用语 （加强语气或引起注意）你要知道 You use you know to emphasize or to draw attention to what you are saying.

【语用信息】：emphasis

【STYLE标签】：SPOKEN 口语

The conditions in there are awful, you know...你要知道，那里的条件很艰苦。

You know, it does worry me.你要知道，这实在让我担心。

32.CONVENTION 惯用语 （表示不确定要说的话或考虑接着说什么）你知道 People use you know when they are uncertain about what they are saying or what they are going to say next.

【STYLE标签】：SPOKEN 口语

He's generous and, you know, very nice, very polite...他很大方而且，你知道，很友善，很有礼貌。

I thought I'd, you know, have a chat with you.我想我应该，呃，和你谈谈。

33.CONVENTION 惯用语 （表示进一步解释）你是知道的，你难道不知道 You use you know when you are trying to explain more clearly what you mean, by referring to something that the person you are talking to knows about.

【STYLE标签】：SPOKEN 口语

Wear the white dress, you know, the one with all the black embroidery.穿那件白裙，你知道的，上面有黑色刺绣的那件。

34.PHRASE 短语 （加强语气）你不知道，你都想不到 You can say 'You don't know' in order to emphasize how strongly you feel about the remark you are going to make.

【搭配模式】：PHR wh

【语用信息】：emphasis

【STYLE标签】：SPOKEN 口语

You don't know how good it is to speak to somebody from home.你不知道和家乡来的人说说话感觉有多好。

35. to know something backwards→see: backwards; to know best→see: best; to know better→see: better; to know no bounds→see: bound; to know what side your bread is buttered on→see: butter; to know something for a fact→see: fact; as far as I know→see: far; not to know the first thing about something→see: first; to know full well→see: full; to let someone know→see: let; not to know the meaning of the word→see: meaning; to know your own mind→see: mind; for reasons best known to oneself→see: reason; to know the ropes→see: rope;