boil over

The argument boiled over into open war.

争恶化，演变成公开。

The disquiet will boil over in the long run.

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.

他聚精会报告,连锅里稀饭煮溢了也不知道。