表达“tipping point”指的是“事情即将发生重大变化的转折点”，意思是“某种状况或局面从量变到质变时一触即发的临界点”，一旦越过这一时间点，将无法挽回。比如，科学家们会使用这个概念来谈论气象学、社会学和经济学相关的现象。

例句

Many believe digitalisation will push traditional media to the tipping point in the near future.

很多人认为，在不久的将来，数码化会把传统媒体推向一个转折点。

The CEO says once the company reaches a financial tipping point, it will not be able to avoid bankruptcy.

这位首席执行官说，一旦公司到达财政状况的临界点，将无法避免破产。 

The couple realised that the fight might have been a tipping point in their failed relationship.

这对情侣意识到了当时那场争吵可能是二人感情失败的转折点。