know [n?u]
vt.
知道，了解，懂得，通晓，掌握…的知识(或技能)：
Does he know English?
他懂英语吗?
I know the facts.
我了解事实情况。
He knows how to play chess.
他会下棋。
确知，确信，确认：
I know that he's a good man.
我确信他是个好人。
认识；相识，结识：
I never know such a man.
我从不认识这样一个人。
He knows my brother.
他认识我弟弟。
I know of him, but I do not know him personally.
我听说过他，但我并不认识他。
记得，牢记，熟记，背熟：
I know an old song about love.
我记得一首关于爱情的老歌。
The actor knows his lines by heart.
那位演员能够背诵自己的台词。
认出，辨认出：
I knew him for a Frenchman.
我认出他是一名法国人。
I knew him at once.
我立即认出了他。
分辨，识别：
You should know right from wrong.
你应当明辨是非。
见到过；听到过[一般用于过去时或完成时]：
I've never known him to cry.
我从未见过他哭泣。
I never knew anyone who could walk on his head.
我从未听说过有人能倒立着走路。
对…有研究，精通：
He knows literature.
他对文学很有研究。
经历，经受，体验：
He has known better days.
他曾过过好日子。
He knew poverty and sorrow.
他经历过穷苦日子。
受…支配(或影响)：
His wrath knew no bounds.
他怒不可遏。
[古语]与…性交，与…发生性关系
vi.
知道，了解，懂得，确知，知情：
知道，了解，懂得，确知，知情：
I'm not guessing, I really know.
我不是在猜测，我真的知道。
I know of its being so.
我知道是这样的。
n.
[口语]知道，知晓，知情[主要用于习语]
短语:
all one knows
[口语]
全部力量，力所能及的一切
竭尽全力地，尽可能地
before one knows where one is [口语]转瞬之间，极快地
don't I know it [口语]我何尝不知道[表示无可奈何的认可]
don't you know [口语][用作插入语]你也知道；你是知道的，不是吗?
Do you know something? 让我告诉你，听我说；要不要我把真相告诉你?
for all someone knows
[口语]
据某人所知
说不定…，…也未可知
I don't know.
[口语]
[表示惊讶]会有这种事?真没想到!
很难说…
I know (what). 我有一个想法；我有主意了。
I knew it. 我早就知道事情会是这样。
I know just how it is. [用以表示关切、同情等]我知道这是怎么回事(或这有多难)。
in the know [口语]熟悉内幕(或内情)的，知情的
I want to know! [美国口语][表示惊讶]真想不到!会有这种事?
I wouldn't know. [美国英语]我不知道。
know a hawk from a handsaw 见 hawk
know all the answers 见 answer
know apart 区分，区别，辨别
know as 称为
know a thing or two 见 thing?
know best 是最好的指导者，最具权威性
know better (than)
明白事理，很懂得(而不至于…)；不至于蠢到…
学聪明些，不再上当
know by name 见 name
know by sight 见 sight
know different 所掌握的情况大不一样，见解大相径庭
know how 懂得怎么做
know not [古语]不知道，不了解
know one's business 见 business
know one's goods 见 goods
know one's onions = know the ropes
know one's own mind 见 mind
know one's stuff 见 stuff
know something backwards 见 backwards
know something (或 someone) from A to Z 对…一清二楚，了如指掌[亦作 know something (或 someone) as beggar knows his bay]
know something (或 someone) like the back (或 palm) of one's hand 见 back (或 palm)
know the ropes 见 rope
know the time of day 见 time
know through and throught 非常熟悉，精通
know what it is
知道是怎么回事，深知其中滋味
经历过，遭受过
know what one is about 办事精明，有足够的判断力和经验应付(困难等)
know what one's talking about 凿凿有据地讲话
know what's what 有分辨能力；内行，懂行；有头脑(或经验)，精明，老练
know where one stands (或 is)(with someone) 清楚别人如何看待自己
let know 告诉，通知
not if I know it 如果知道我就不(这样做了)
not know enough to go in when it rains [美国口语]什么都不懂，糊里糊涂
not know somebody from Adam 见 Adam?
not know what hit one
被杀死，被毁掉
感到惊奇，惊慌失措
not that I know of [口语]据我所知不是这样；据我所知没有
not that you know of [口语]你办不到，休要妄想
not want to know (对…)不感兴趣
that's all you know (about it) 你(对此)全然无知
What do you know?
[口语]
[表示不相信或惊讶]你看怪不怪?真想不到!
[问候语]有什么消息?
Who knows? [口语]谁知道呢? 说不定
Wouldn't you know? 真想不到!请想象一下!
you know
[口语][交谈时用以提醒对方的插入语]
你要知道
你知道，你难道不知道?
You know something (或 what)? = Do you know something?
You know what he (或 it) is. [口语]你知道他的脾气(或它的性质)
you never know [口语]很难预料，很难说
变形：
vt. knew . known . knowing
收起结果
以上来源于：《21世纪大英汉词典》
词组短语同近义词同根词词语辨析
know how 秘诀；专门技术
don't know 我想不明白
know about 了解，知道……的情况；知道关于
don't you know [口语][用作插入语]你也知道；你是知道的，不是吗?
know as 称为