lose your cool

US /luːz jʊər kuːl/
UK /luːz jʊər kuːl/
"lose your cool" picture
1.

失去冷静, 发脾气

to suddenly become angry or upset

:
He tends to lose his cool when things don't go his way.
当事情不顺心时,他往往会失去理智
Even under pressure, she rarely loses her cool.
即使在压力下,她也很少失去冷静