Nobody knows about it, does he?

没有人知道此事，是吗？

youdao

Nobody knows about it, do they? does he?

没有人了解这件事，是不是？

youdao

Nobody knows about it, do they? (does he?)

每个人都知道这个答案，是吗？

youdao

The kind of girl you read about--" Well, it turns out that nobody really knows.

你所读到的女孩",结果没人知道究竟在说什么

耶鲁公开课 - 心理学导论课程节选

Nobody knows anything about it.

这一点几乎无人知晓

耶鲁公开课 - 古希腊历史简介课程节选

Worried a paparazzo took a shot of you doing that thing you do that nobody knows about, because it would get you fired, arrested or worse?

FORBES: A $12 Way To Protect Your Privacy: Paparazzi Shades

It has been looked at and declared legitimate by the federal anti-corruption agency, but nobody knows very much about what it does.

ECONOMIST: Such a lovely little earner

Suicide is the third leading cause of death for teenagers and young adults, after accidents and homicide, and nobody knows what to do about it.

FORBES: A Vaccine Against Suicide?