How can you do this?

你怎么能这么做？

youdao

Once is more than enough. How can you do it again?

一之为甚， 其可再乎?

《新英汉大辞典》

The teacher said reproachingly: "We are all honest gentlemen. How can you do that?"

老师生气地说：“我们都是正人君子，怎么可以这样做呢？”

youdao

She taught me how to climb. Come on, Forrest,you can do it.

VOA: standard.other

How can you do that if this is a king?

你怎么能对一个国王这么做

耶鲁公开课 - 古希腊历史简介课程节选

When you say, "How can I," it might mean simply, "How can you do something?"

当你说，“How can I”，这可能是非常简单地表示，“我怎么样才能做到呢？”

How can I 课堂 - SpeakingMax英语口语达人

How can you do that with the young people who sometimes are very tempted by extremists?

WHITEHOUSE: THE WHITE HOUSE

But how can you do it without spending, cutting jobs, or installing some new, fancy technology?

FORBES: Find Free Money: Almost Every Bill You Get Is Full Of Mistakes

That means that we work with providers to say, how can you do a better job providing care to the chronically ill?

WHITEHOUSE: Town Hall on America��s Fiscal Future