Might I ask what you're doing here?

我可以问问你在这里做什么吗？

《柯林斯英汉双解大词典》

I don't believe it! What are you doing here?

我简直无法相信！你在这里干什么？

《牛津词典》

Look, this isn't brain surgery we're doing here.

听着，我们在这儿做的事又不像大脑开刀那么难。

《牛津词典》

Definitely a once in a lifetime opportunity I'm doing here." These boys say they share the special link of being Scouts no matter where they come from.

VOA: special.2010.08.06

If it is, in fact, positive, then we're going to go in here, but now notice what we're doing here.

如果这个数实际上是个正数，那么我们就到,这里面来，但是请注意我们在这做了什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

So people are like, "What are we doing here? We need to go to Brooklyn!"

所以人们会像这样说，“我们在这里干什么？我们要去布鲁克林！”

在布鲁克林的生活 - SpeakingMax英语口语达人

But what is this skydiver, stuntman and director doing here in Silicon Valley, pitching Guy Kawasaki?

FORBES: Two Guys in a Garage

''What we are doing here, is something local that has global significance, '' he said.

BBC: Christian Church opens doors to Muslims

And anybody who says otherwise is misrepresenting what we're doing here with this amendment.

NPR: Senators Announce Tentative Deal On Public Option