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》

“那他干什么了？”妈妈们问道。

"What's he doing, then?" the mothers asked.

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

Because if the change was not possible on the individual level, ? on the society level,why am I doing what I am doing?

因为如果从个人层面或社会层面来说，改变都是不可能的，那我在这里干什么？

哈佛公开课 - 幸福课课程节选

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