The incident happened at a critical point in the campaign.

该事件发生在运动的关键时刻。

《柯林斯英汉双解大词典》

As snow accumulates on a steep slope, it reaches a critical point at which the slightest vibration will send it sliding into the valley below.

当雪在陡峭的斜坡上堆积时，它会达到一个临界点，在这个临界点上，最轻微的震动就会使它滑进下面的山谷。

youdao

We just solved for a critical point.

我们只是解出了一个临界点。

youdao

This part of the Illinois River near Morris is several miles southwest of the electronic fish barrier, a critical point along the Illinois waterway system meant to stop the Asian Carp from reaching Lake Michigan.

VOA: standard.2010.07.19

A critical point was a book written by Louis Brandeis, that's the guy that Brandeis University is named after.

这就不得不提路易斯·布兰代斯的一部著作,布兰代斯大学正是以他命名的

耶鲁公开课 - 金融市场课程节选

"It'll be a critical summit, from the point of keeping the EU together,keeping consensus that the EU should maintain leadership on this issue,"

VOA: standard.2009.10.29

Since Hamas is a wholly-owned subsidiary of the Brotherhood, this was a critical point.

CENTERFORSECURITYPOLICY: How to make Egypt safe for democracy

It is apparent that we are at a critical point and the stakes have never been higher.

FORBES: It's a Long Way from Wrong to Right

Managers want money in big chunks, and from people who will not take it away at a critical point.

ECONOMIST: For the fortunate few