这是一条关于正在发生的事的线索。

This is the clue as to what is going on.

youdao

他们似乎不知道正在发生的事。

They appeared not to know what was happening.

《牛津词典》

不幸的是，这就是可能正在发生的事。

Unfortunately that is exactly what seems to be happening.

youdao

What's happening right now in the United States - is that the economy is collapsing- maybe that's overstating it.

现如今在美国发生的是,经济正在崩溃-,也许这是夸大这件事。

耶鲁公开课 - 金融市场课程节选

And he's seeing what's happening in Chicago, even though he's sitting in a room in New Haven.

他正在观看芝加哥发生的事,而他本人却坐在纽黑文的一个房间里

耶鲁公开课 - 死亡课程节选

I'm convinced that there's something very strange going on.

我认同有一些十分奇怪的事正在发生。

耶鲁公开课 - 弥尔顿课程节选