calm down

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

冷靜下來, 使平靜

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.
請你冷靜下來,告訴我發生了什麼。
She took a deep breath to calm down.
她深吸一口氣,讓自己平靜下來