keep your head
US /kiːp jʊər hɛd/
UK /kiːp jʊər hɛd/

1.
manter a calma, não perder a cabeça
to remain calm in a difficult or stressful situation
:
•
It's important to keep your head during a crisis.
É importante manter a calma durante uma crise.
•
Even when everything went wrong, she managed to keep her head.
Mesmo quando tudo deu errado, ela conseguiu manter a calma.