keep a stiff upper lip
US /kiːp ə stɪf ˈʌpər lɪp/
UK /kiːp ə stɪf ˈʌpər lɪp/

1.
menjaga ketenangan, menahan emosi, tetap tabah
to remain brave and unemotional in a difficult or upsetting situation
:
•
Despite the bad news, she managed to keep a stiff upper lip.
Walaupun berita buruk, dia berjaya menjaga ketenangan.
•
The soldiers were told to keep a stiff upper lip during the difficult mission.
Para askar diberitahu untuk menjaga ketenangan semasa misi yang sukar.