simmer down (シマー ダウン)

Idiom Anger and Frustration

意味

to become calmer after being angry or excited

怒ったり興奮した後で落ち着く (okottari koufun shita ato de ochitsuku)

例文

"Give him a few minutes to simmer down before you talk to him."

"彼と話す前に少し時間をおいて落ち着かせてください。" (Kare to hanasu mae ni sukoshi jikan wo oite ochitsukasete kudasai.)