be crazy for意思是渴望，癡想；be crazy about意思是對……瘋狂。crazy是一個英文單詞，詞性為形容詞和名詞，意思指瘋了的，瘋狂的，比喻人發瘋。也可以指瘋子，怪人。

crazy的例句

He strides around the room beaming like a crazy man.

他繞著房間大步地走著，像個瘋子一樣笑著。

That crazy Debbie! He could wring her neck for this!

黛比那個瘋子！他會為這把她的脖子擰斷的！

We worked like crazy to get it done on time.

我們拼命地干，好按時完成這項工作。

I know it sounds crazy but it just might work.

我知道這事聽起來很蠢，然而也許就會奏效。

Are you crazy? We could get killed doing that.

你瘋了？我們那樣做會喪命的。