Do you know what it is about?

你知道它是关于什么的吗？

youdao

May I know what it is about?

可以告诉我是什么事吗？

youdao

But I don't know what it is about.

但是我不知道是关于什么的。

youdao

I have some kind of virus,and the doctors, they don't know what it is, and there isn't anythingthey can do about it.

VOA: standard.other

He brings it up as if we know that this is what he's been talking about all the time.

他提出这个好像我们知道一样,这是他一直在说的东西。

耶鲁公开课 - 现代诗歌课程节选

This is tremendously important because every Greek state that we know about made the claim that that's what it did.

这点极其重要,因为我们所知的每一个希腊政府,都是这样去做的

耶鲁公开课 - 古希腊历史简介课程节选

For me it really is, because they know what - I mean it really is about what are they going to do about Ohio and the middle class, what are they going to do in this country.

NPR: Candidates Aggressively Court Superdelegates

So we wanted to know - what is it about Bonds?

NPR: Bonds' Approaching Triumph Has Mixed Meaning

One interpretation is that I just have no idea know what I am talking about and it is always important to keep that possibility in mind.

FORBES: Housing in 2013