know [nəu]
vt.知道,了解,懂得,通曉,掌握…的知識(shí)(或技能)：Does he know English?他懂英語(yǔ)嗎?I know the facts.我了解事實(shí)情況.He knows how to play chess.他會(huì)下棋.確知,確信,確認(rèn)：I know that he's a good man.我確信他是個(gè)好人.認(rèn)識(shí)；相識(shí),結(jié)識(shí)：I never know such a man.我從不認(rèn)識(shí)這樣一個(gè)人.He knows my brother.他認(rèn)識(shí)我弟弟.I know of him, but I do not know him personally.我聽(tīng)說(shuō)過(guò)他,但我并不認(rèn)識(shí)他.

BE FAMILIAR WITH 熟悉
know:
1. [ not continuous] to be familiar with or have experience and understanding of:[不持續(xù)] 熟悉或有過(guò)交往和了解
I've known Daniel since we were at school together.
自我們一起上學(xué)時(shí),我就認(rèn)識(shí)了丹尼爾.

2.[ not continuous](ALSO know about) If you know a subject, you are familiar with it and understand it:
[不持續(xù)](也用know about) 如果說(shuō)你know 一門學(xué)科,那你就是熟悉和了解那門學(xué)科.
Do you know about computers?
你熟悉電腦嗎?
She knows her subject inside out
她完全熟悉她的學(xué)科.

知道:
3.I don't know anything about this.

例句翻譯自：
(from Cambridge Advanced Learner's Dictionary)



總結(jié):
1.know認(rèn)識(shí)----了解
2.know about 熟悉------掌握
2.know sth. about it知道