to lose one's temper
01
to suddenly become uncontrollably angry
![to [lose] {one's} temper definition and meaning](https://cdn.langeek.co/photo/60628/original/angry?type=jpeg "to [lose] {one's} temper definition and meaning")
例
He lost his temper when the meeting ran longer than expected.
She usually remains calm, but she lost her temper with the rude comments.
to suddenly become uncontrollably angry
