你拿那把铁锹干什么？

What are you doing with that spade?

youdao

“喂！”那声音更加霸道地说道，“谁啊？你要干什么？”

"Hello!" the voice said, more peremptorily. "Who is it? Who do you want?"

《柯林斯英汉双解大词典》

她是干什么的，你那德纳弟太太？

What does your Madame Thenardier do?

youdao

If you hook a soul up to a body, you can tell the soul was there, by what the body is doing.

如果你通过身体探测灵魂，你可以知道灵魂在那，根据身体在干什么。

耶鲁公开课 - 死亡课程节选

If you hook a radio wave up with a radio, you can tell the radio wave was there because what the radio is doing?

如果你用收音机检测无线电波，你可以知道无线电波在那,因为收音机在干什么？

耶鲁公开课 - 死亡课程节选