boil over

The argument boiled over into open war.

争论恶化，公开论战。

The disquiet will boil over in the long run.

这种不安情绪终有一天会爆发。

The milk is boiling over.

牛奶开得溢出来了。

He was writing his report so attentively that he didn’t know the rice gruel in the pot had boiled over.

他聚精会神地写报告,连稀饭煮溢了也不知道。