'Don't you care what I do?' he asked, but it was a rhetorical question.

“我做什么，难道你不关心吗？”他问道，可那是个反问。

《牛津词典》

You can do what you like, for all I care.

你想干什么就可以干什么，我才不管呢。

《牛津词典》

At this point I don't care what you decide to do.

到这个时候，我不在乎你决定要怎么做了。

《牛津词典》

There was nothing I could do. When you have this kind of a problem, you can only take care of your body.

VOA: special.2010.08.09

If I wanted you to care about an animal, I would do well to describe it as if it were human.

如果我想你关心动物，我就把它当成人一样描述。

耶鲁公开课 - 心理学导论课程节选

This seems to be a statement of his alienation or disaffection from the concerns of his fellow Athenians. I know nothing about what you do or what you care about.

这似乎是他对雅典同胞,所关心之事务疏离,或不满的表述,我不知道你做啥。

耶鲁公开课 - 政治哲学导论课程节选

As long as you're not hurting me, I don't care what you do.

CNN: STORY HIGHLIGHTS

Not that I care, but if you do, let me know whether Clinton got himself in any trouble today.

NEWYORKER: Starlight

And another thing that I'd like to ask you to do is to take care of our 8(a) program because those of us -- those that are landless out there can develop economic development opportunities through the 8(a) contracting program, and that may ease some of the burdens that some of the landless tribes are, because you don't need to have land to operate that.

WHITEHOUSE: President Obama Opens Tribal Nations Conference