know的例句：
I don't know what to make of the new manager.
這位新經理，我不知道怎么評價他才好。
These problems are all in your mind, you know.
你知道，這些問題都只是你的憑空想象而已。
Some people don't know when they're well off.
有些人身在福中不知福。
You'll like her once you get to know her.
你一旦了解了她就會喜歡她的。
There were a whole lot of people I didn't know.
有許多人我都不認識。