"How come we never know what's going on?" he groused.

“我们怎么会不知道发生了什么事？”他抱怨道。

《柯林斯英汉双解大词典》

Prison officers know what's going on, but look the other way.

狱警知道出了什么事，但扭过头去装作没看见。

《牛津词典》

Some people seem to know what's going on behind them, as if they had eyes in the back of their heads.

有些人似乎知道他们身后发生了什么，就像他们的后脑勺长了眼睛。

youdao

Their house crashed. As for everyone else, I really don't know what's going on.

VOA: special.2010.02.01

You're hiding something from yourself, and once you know what's going on to deeper phenomena your problems will go away.

这些冲突被你压抑起来，一旦你理解了更深层次的冲突究竟是什么,你的问题便会得到解决。

耶鲁公开课 - 心理学导论课程节选

So, let me begin by doing a little bit of background so you know what's going on here.

首先，我要做一下背景介绍,你们就能了解情况了。

麻省理工公开课 - 固态化学导论课程节选

"He's been talking to me all winter, so we know what's going on, " Roenicke said.

WSJ: Ryan Braun, Milwaukee Brewers Slugger, Says 'Truth Prevailed' - MLB

"We don't know what's going on between the mayor and district chief, " he says.

CNN: Quake Politics

"The next president needs to know what's going on with the war, " he says.

CNN: View from Portland