keep calm
US /kiːp kɑːm/
UK /kiːp kɑːm/

1.
tetap tenang, menjaga ketenangan
to remain relaxed and not get excited or worried
:
•
No matter what happens, just keep calm and carry on.
Apapun yang terjadi, tetap tenang dan lanjutkan.
•
It's important to keep calm during an emergency.
Penting untuk tetap tenang selama keadaan darurat.