"Dr. Campbell," he said, clearly surprised. "What are you doing here?"

“坎贝尔医生，”他一脸惊讶地说道，“你怎么会在这儿？”

《柯林斯英汉双解大词典》

Why are you here? What are you doing here?

你为什么在这？你在这干嘛呢？

youdao

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》

"One correspondent not from America and then I will--(REPORTERS YELLING)--You know, we are not doing bidding here.Come on,".

VOA: standard.2009.04.03

Cause there, you're only dividing the problem in half and half, and half and half, we are doing that here.

因为在那个例子中，只需一次又一次地,对问题进行划分，在这儿我们也是这样做的。

哈佛公开课 - 计算机科学课程节选

You can answer to this question, someone says, "Well, what are you doing? Are you still here at school?"

当有人问你，“嗯……你在做什么呢？你还在学校吗？”你就可以回答了，

I'm about to 课堂 - SpeakingMax英语口语达人

When I would be there late at night, she might come in and say, 'What are you doing here?

CNN: Sandra Day O'Connor: Self-reliant and ambitious

And that's what you guys are doing here in Albany.

WHITEHOUSE: President Obama Speaks on the Economy

What are you doing here right now?

NPR: Starting from Scratch in Waveland, Miss.