You are either a total genius or else you must be totally crazy.

你要么是个纯粹的天才，要不然你准是完全疯了。

《柯林斯英汉双解大词典》

Are you ready for a crazy race?

你准备好参加疯狂的赛车了吗？

youdao

If you ask a young person looking at a career in other functions if they would consider a career in IT, you will probably get a response something like, 'are you crazy?

如果你问一个正在找工作的年轻人他是否愿意加入IT领域，你将非常可能得到这样的回答，你疯了么？

youdao

Let's say that you are in the middle of a crazy storm and the wind is blowing

假设你正在经历一场暴风雨，狂风呼啸。

I'm afraid of 课堂 - SpeakingMax英语口语达人

' He said, 'You are a hundred percent crazy.

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For instance, I used to be a server and when you are a server, although a very general job, you are multi-tasking like crazy when you are busy, which being in public relations you are continuously mutli-tasking.

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And if you really think they are not building a Smash Bros follow up you must be crazy.

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