You know about Andy, don't you?

　　你了解安迪，不是嗎？

　　He didn't know how to begin.

　　他不知道如何開場。

　　I'm dying to know what happened.

　　我很想知道發生了什么事兒。

　　You know how prickly she is.

　　你知道她多么容易生氣。

　　Do you know if he's married?

　　你知道他結婚了嗎？