lose your cool
US /luːz jʊər kuːl/
UK /luːz jʊər kuːl/
1.
perdre son sang-froid, s'énerver
to suddenly become angry or upset
:
•
He tends to lose his cool when things don't go his way.
Il a tendance à perdre son sang-froid quand les choses ne vont pas comme il veut.
•
Even under pressure, she rarely loses her cool.
Même sous pression, elle perd rarement son sang-froid.