what the fuck are you doing?

what the fuck are you doing?
what the fuck are you doing?

what the fuck are you doing?
the fuck只是表达不满的情绪,骂人的话,直译的话楼上两位已经翻译得很到位了.
调整一下语气翻译就应该是：你是干什么吃的?!

你他妈的正在干什么呐？

你他妈的在干什么？