lose your cool

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

perder a calma, ficar irritado

to suddenly become angry or upset

:
He tends to lose his cool when things don't go his way.
Ele tende a perder a calma quando as coisas não saem do jeito dele.
Even under pressure, she rarely loses her cool.
Mesmo sob pressão, ela raramente perde a calma.