【不规则形式】 knew , known
(not used in the progressive tenses 不用于进行时)
知悉 have information
~ (of/about sth)
知道；知悉；了解
to have information in your mind as a result of experience or because you have learned or been told it
[VN] Do you know his address?
你知道他的地址吗？
The cause of the fire is not yet known.
火灾的原因尚不清楚。
All I know is that she used to work in a bank (= I have no other information about her) .
我只知道她曾在银行工作过。
[V (that)] I know (that) people's handwriting changes as they get older.
我知道人们的笔迹随着年龄的增长而变化。
[VN that] It is widely known that CFCs can damage the ozone layer.
众所周知氯氟烃会破坏臭氧层。
[V wh-] I knew where he was hiding.
我知道他藏在哪里。
I didn't know what he was talking about.
我不知道他在谈什么。
[V] ‘You've got a flat tyre.’ ‘I know.’
“你的车胎瘪了。”“我知道。”
‘What's the answer?’ ‘I don't know.’