音标：[nәu]
vt. 知道, 了解, 认识, 确信
vi. 知道, 了解, 认识, 确信
相关词组:
know no bounds
know a thing or two
know one's business
know sth backwards
know one's own mind
you know
know nothing of
know no ends
know sb by name
know sb by sight
know right from wrong
in the know
Not that I know of
know oneself
know for certain that...
don't you know
在线英汉词典
know的短语、例句：
know
v
(pt knew , pp known )
1
(a) [I, Tn, Tf, Tw, Tt, Cn.t]
have (sth) in one´s mind or memory as a result of experience or learning or information 知道, 懂得, 了解（某事物）
I´m not guessing I know! 我不是猜想--我知道!
She doesn´t know your address. 她不知道你的地址.
Every child knows (that) two and two make four. 孩子都知道二加二等於四.
I knew where he was hiding. 我知道他躲在什麽地方.
Do you know who Napoleon was? 你知道拿破仑是谁吗?
Does he know to come here (ie that he should come here) first? 他知道要先到这里来吗?
We knew her to be honest. 我们知道她很诚实.
(b) [Tnt, Tni]
(only in the past and perfect tenses 只用於过去时态和完成时态) have seen, heard, etc 见过、 听过等
I´ve never known it (to) snow in July before. 我从未听说过有七月下雪的事.
He´s sometimes been known to sit there all day. 有时能见到他整天坐在那里.
2 [Tf] feel certain 确知; 确信
I know (that) it´s here somewhere it must be! 我肯定是在这里的什麽地方--没错!
3
(a) [Tn] be acquainted with (sb) 认识（某人）
Do you know Bob Hill? ie Have you met him, talked with him, etc? 你认识鲍勃?希尔吗?
I know him by sight, but not to talk to, ie I have seen him but never spoken to him. 我见过他, 但没跟他说过话.
We´ve known each other since we were children. 我们从小就认识.
(b) [Tn, Cn.n/a]
~ sth (as sth) be familiar with (a place) 熟悉（某地）
I know Paris better than Rome. 我对巴黎比对罗马熟悉.
I know London as the place where I spent my childhood. 我熟悉伦敦, 那是我度过童年的地方.
4 [Cn.n/a often passive 常用於被动语态]
~ sb/sth as sth regard sb/sth as (being) sth 认定某人[某事物]为某事物
It´s known as the most dangerous part of the city. 那地方都知道是市内最危险的地段.
We know John Smith as a fine lawyer and a good friend. 我们认为约翰?史密斯是一位很好的律师和朋友.
5 [Cn.n/a usu passive 通常用於被动语态]
~ sb/sth as sth call, nickname or label sb/sth as sth 将某人[某事物]称为、 起绰号叫作或标明为某事物
a heavyweight boxer known as `The Greatest´ 一名被称为｀大力士＇的重量级拳击手
This area is known as the `Cornish Riviera´. 这地区称为｀康沃尔郡度假胜地＇.
6 [Tn, Tn.pr]
~ sb/sth (from sb/sth) be able to distinguish (one person or thing) from another; recognize 能区分, 辨别, 认出（人或物）
She knows a bargain when she sees one. 她有辨别便宜货的能力.
know right from wrong 分辨是非
I met so many people at the party that I wouldn´t know half of them again. 我在聚会上见到很多人, 再见到连一半也未必能认出.
7 [Tn, Tw] understand and be able to use (a language, skill, etc) 会, 掌握（某语言、 技巧等）: know Japanese 会日语
know how to swim 会游泳.
8 [Tn] have personal experience of (sth) 有（某事物）的亲身经历或体验
a man who has known both poverty and riches 经历过贫富生活的男子.
9 (idm 习语) be,fore one ,knows where one `is very quickly or suddenly 迅速地; 突然地
We were whisked off in a taxi before we knew where we were. 我们还未明白是在哪里, 就被计程车载走了. be known to sb be familiar to sb 为某人所熟知
He´s known to the police, ie has a criminal record. 警方很熟悉他（曾犯案）. better the devil you know => better2.for all one knows considering how little one knows 据自己所知; 说不定
For all I know he could be dead. 说不定他已经死了. for reasons/some reason best known to oneself => reason. God/goodness/Heaven knows
(a) I don´t know 我不知道
God knows what´s happened to them. 谁知道他们怎麽了.
(b) certainly; emphatically 确实; 的确
She ought to succeed; goodness knows she tries hard enough. 她应能成功, 她确实够努力的. have/know all the answers (infml esp derog 口, 尤作贬义) (seem to) be cleverer and better-informed than other people （好像）什麽都知道; 比别人精明. have/know sth off pat => pat1. know sth as well as `I/`you do understand sth perfectly well 对某事物很清楚
You know as well as I do that you´re being unreasonable. 你很清楚你不讲理. know sth `backwards (infml 口) be thoroughly familiar with sth 极熟悉某事物
You´ve read that book so many times you must know it backwards by now! 那本书你读了很多遍, 现在一定能倒背如流了! know `best know what should be done, etc better than other people 最知就里; 最在行
The doctor told you to stay in bed, and he knows best. 医生叫你卧床休息, 他最清楚. know better (than that/than to do sth) be wise or sensible (enough not to do it) 明白事理而不至於（做某事）
You ought to know better (than to trust her). 你应当明白（她这人不能相信）. know sb by sight recognize who sb is without knowing him as a personal friend 面熟. know `different/`otherwise (infml 口) have information or evidence to the contrary 知道相反的情况; 有证据表明情况相反
He says he was at the cinema, but I know different. 他说他那时在看电影, 可是我知道不是那麽回事. know how many beans make five be shrewd and sensible in practical matters 精明; 在行. know sth inside `out/like the back of one´s `hand (infml 口) be thoroughly familiar with a place, subject, etc 了如指掌; 了解透彻
He´s a taxi driver, so he knows London like the back of his hand. 他是计程车司机, 对伦敦市的街道了如指掌. know no `bounds (fml 文) be very great or too great 无限
When she heard the news her fury knew no bounds. 她听到这个消息, 顿时怒不可遏. know one´s `onions/`stuff (infml 口) be good at one´s work, etc 了解本行; 精通业务. know one´s own `mind know what one wants or intends 有自己的想法; 有决断. know the `score (infml 口) understand the true state of affairs 知道事情真相; 深通世故. know a thing or two (about sb/sth) (infml 口) know a lot (about sb/sth) （对某人[某事物]）很了解
She´s been married five times, so she should know a thing or two about men. 她已结过五次婚, 对男人应有所了解了. know sb through and `through understand sb perfectly 完全了解某人. know one´s way around be familiar with a place, subject, procedure, etc; be capable and well-informed 熟悉某处、 某事、 手续等; 有阅历; 了解情况. know what it is/what it´s like (to be/do sth) have personal experience (of being/doing sth) 有做某事物的经历
Many famous people have known what it is to be poor. 很多名人都领略过贫穷是什麽滋味. know what one´s `talking about (infml 口) speak from experience 作经验谈. know what´s `what (infml 口) understand the important facts, rules of behaviour, etc in a particular situation 内行; 精明; 有头脑
You´re old enough now to know what´s what. 你已经不小了, 应该知道好歹了. know which side one´s `bread is buttered (infml saying 口, 谚) know where one´s interests lie or what will be to one´s advantage 知道自己利益所在; 善於为个人打算. let sb `know inform sb about sth 让某人知道某事物
I don´t know if I can come yet, but I´ll let you know tomorrow. 我说不上是否能来, 可是我明天能告诉你. make oneself known to sb introduce oneself to sb 向某人作自我介绍
There´s our host; you´d better make yourself known to him. 那位是我们的主人, 你最好向他自我介绍一下. not know any `better not behave well, through lack of experience, bad upbringing, etc （因无教养或无经验）表现不好
Don´t blame the children for their bad manners they don´t know any better. 不要责怪孩子们没规矩--他们还不懂. not know one´s ,arse from one´s `elbow ( sl derog 讳, 俚, 贬) be totally ignorant, stupid or inefficient 一窍不通; 愚蠢; 无能. not know the first thing about sb/sth/doing sth know nothing at all about sb/sth/doing sth 对某人[某事物]一无所知
I´m afraid I don´t know the first thing about gardening. 很遗憾, 我对园艺一无所知. not know sb from `Adam (infml 口) not know at all who sb is 完全不认识某人. not know what `hit one
(a) be suddenly injured or killed 突遭伤害; 突受杀害
The bus was moving so fast she never knew what hit her. 公共汽车开得很快, 突然把她撞了.
(b) (infml fig 口, 比喻) be amazed or confused 大为惊奇; 迷惑不解
The first time I heard their music I didn´t know what had hit me. 我初次听他们的音乐时大为惊奇. not know where/which way to look (infml 口) be embarrassed, awkwardly self-conscious, etc 尴尬; 难堪; 难为情
When he started undressing in public I didn´t know where to look. 他在大庭广众之下脱衣服, 我感到很难为情. not want to know => want1. old enough to know better => old. show sb/know/learn the ropes => rope. see/know better days => better1. tell/know A and B apart => apart. that´s what I´d like to know => like2. there´s no `knowing it´s difficult or impossible to know 难以逆料; 无法知道
There´s absolutely no knowing how he´ll react. 他怎样反应很难逆料. (well) what do you `know (about `that)? (infml 口 esp US) (used to express surprise on hearing news, etc 用以表示听到消息等时感到惊讶) you know (infml 口)
(a) (used when reminding sb of sth 用以提醒某人)
Guess who I´ve just seen? Marcia! You know Jim´s ex-wife! 你猜刚才我看见谁了? 玛西娅! 你知道吗, 就是吉姆的前妻呀!
(b) (used as an almost meaningless expression when the speaker is thinking what to say next 用於说话时思索中作口头语, 无甚意义)
`I was feeling a bit bored, you know, and so...´ ｀我当时有点厌烦了, 你知道吗, 所以...＇ you know something/what? (infml 口) (used to introduce an item of news, expression of opinion, etc 用以提到一项新消息、 表达看法等)
You know something? Cathy and Tim are engaged. 你听说了吗? 卡西和蒂姆订婚了. you never know you cannot be certain 很难说; 事难逆料
`It´s sure to rain tomorrow.´ `Oh, you never know, it could be a lovely day.´ ｀明天准下雨.＇｀哦, 很难说, 也可能是个好天.＇
You should keep those old jam jars you never know when you might need them. 这些旧果酱瓶子应当留一留, 说不定什麽时候会用得著.
10 (phr v) know about sth have knowledge of sth; be aware of sth 了解或知道某事物
Not much is known about his background. 他的背景所知不多.
Do you know about Jack getting arrested? 你知道杰克遭逮捕了吗? know of sb/sth have information about or experience of sb/sth 知道某人[某事物]的情况
`Isn´t tomorrow a holiday?´ `Not that I know of (ie Not as far as I am aware).´ ｀明天是假日吧?＇｀据我所知不是.＇
Do you know of any way to stop a person snoring? 你知道有什麽方法可以制止打呼噜吗?
I don´t know him personally, though I know `of him. 我并不认识他, 但我听说过他. know, n (idm 习语) in the `know (infml 口) (of a person) having information not possessed by others; well informed （指人）知情的, 消息灵通的.
know