calm down

US /kɑːm daʊn/
UK /kɑːm daʊn/
"calm down" picture
1.

acalmar, acalmar-se

to become quiet and relaxed after being angry, excited, or upset, or to make someone do this

:
Please, just calm down and tell me what happened.
Por favor, apenas acalme-se e me diga o que aconteceu.
She took a deep breath to calm down.
Ela respirou fundo para se acalmar.