事情发酵 英语怎么说

"事情发酵" 的英语表达是 "things come to a head"或 "things come to a boil"。

"Things come to a head" 表示事情达到了高潮或紧张的阶段， "things come to a boil" 表示事情爆发或升温。

举个例子，

"Things came to a head when the company announced layoffs."（当公司宣布裁员时，事情达到了高潮。）
"Tensions have been building for weeks, and it looks like things are finally coming to a boil." （紧张局势已经持续了几周，看起来事情终于爆发了。）

来源：这个表达源自酿酒过程中酒精浓度升高。酒精浓度升高，事情即将爆发。