know什么意思、怎么读？单词用法、记忆法、发音音标、反义词同义词辨析、释义

I didn't know what the phone call was about but I could see the sadness on her face.
我不知道这通电话说了些什么，但我能看出她脸上悲伤的神情。


I know the name of the green leaves.
我知道这些绿叶的名字。


We still don't know whether if it's a boy.
我们还不知道宝宝是不是男孩。


I didn't know which way to go, so I kept going straight.
我不知道走哪条路，所以干脆走直线。

Did you know?

你知道吗？

※Action is the  last resource of those who know not how to dream.   Oscar Wilde, British dramatis   不善于想象的人一切乞求于行动。英国剧作家  王尔德  O .  
※If you don't want people to know about it, don't do it. 若要人不知,除非己莫为.
※I want to bring out the secrets of nature and apply them for the happiness of man . I don't know of any better service to offer for the short time we are in the world .(Thomas Edison , American inventor)  我想揭示大自然的秘密，用来造福人类。我认为，在我们的短暂一生中，最好的贡献莫过于此了。 (美国发明家 爱迪生. T.)
※When a true genius appears in the world you may know him by his sign, that the dunces are all in confederacy against him.——Jonathan Swift, British satire writer当一个真正的天才问世时，你可以根据一种现象来认识他，即所有蠢才联合一致来反对他。英国讽刺作家  斯威夫特宾  J