boil over

Từ điển Oxford Advanced Learner 8th

ˌboil ˈover derived
1. (of liquid)to boil and flow over the side of a pan, etc
•The milk is boiling over.
2. (informal)to become very angry
3. (of a situation, an emotion, etc.)to change into sth more dangerous or violent
Syn: ↑explode
•Racial tension finally boiled over in the inner city riots.
Main entry: ↑boil_derived