干什么，用英文怎么写

干什么？==你在干什么？
What are you doing?
干什么？==你是干什么的？
What do you do?
干什么！==质问情景翻译：
What's up!

干什么？你在干什么？
What are you doing?
干什么？你是干什么的？
What do you do?
干什么！
What's up!
Stop it!

跟下列网友一样，我想应该就是这两种what's up what?

what's up

what's up..
what?

what's up