know /nəu/ (knew /nju:/, known )vt. & vi. 知道；懂事；认识(作vt. 时接名/代词、带疑问词的不定式和从句)：Do you know their telephone number? 你知道他们的电话号码吗? Young as he is, he knows a lot.虽然他年纪小，但懂得很多 I don’t know how to get in touch with her.我不知道如何与她取得联系 I didn’t know you were coming today. 我不知道你今天要来 The summer was gone before I knew.夏天不知不觉就过去了。know about 了解，知道…的情况： I happened to know about him. 我正好了解一些他的情况。know better than 知道不该做某事；比…知道得多：Sure, she’s only six, but she’s old enough to know better than to run off without us.是的她只有六岁，但她到了知道不能随便离开我们的年龄。They thought the painting was a fake, but Shackleton knew better.他们认为这幅油画是赝品，但沙克尔顿比大家有经验。know of 知道，听说过：I don’t know him, but I know of/about him.我不认识他，但听说过他。
known adj. 已知的，熟悉的，认识的：He is a known artist.他是一个知名的艺术家。I made myself known to the hotel manager.我向旅馆老板作了自我介绍。be known as 被认为，人们称作，有名：Today he is well known as a model leader.今天他是有名的模范领导人。［考句］Many visitors praised the magnificent architecture of the Palace, known to foreigners as the Forbidden City. 许多游客对这个被外国人熟知为故宫的伟大的宫殿建筑赞不绝口。be known for 因…而出名：Guilin is known for its beautiful scenary. 桂林因风景优美而出名。be known to all 众所周知：It is known to all that these islands belong to China. 众所周知这些岛一向属中国管辖。be known to (in) history 历史上有过的： He was the most famous artist ever known to history.他是历史上最有名的画家。
