keep a stiff upper lip

US /kiːp ə stɪf ˈʌpər lɪp/
UK /kiːp ə stɪf ˈʌpər lɪp/
"keep a stiff upper lip" picture
1.

manter a compostura, não demonstrar emoções, aguentar firme

to remain brave and unemotional in a difficult or upsetting situation

:
Despite the bad news, she managed to keep a stiff upper lip.
Apesar das más notícias, ela conseguiu manter a compostura.
The soldiers were told to keep a stiff upper lip during the difficult mission.
Os soldados foram instruídos a manter a compostura durante a difícil missão.