1、She went crazy when she won the lottery.
她中了彩票后疯狂地欢呼起来。

2、I can't believe you did such a crazy thing!
我无法相信你竟做出了这样荒唐的事情！

3、He has some crazy ideas about how to solve the problem.
他有一些古怪的想法来解决这个问题。