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to cool; to chill; to refrigerate
to calm down; to cool off; to regain one's composure; to relax
to be frightened (at); to be scared (of)
スープを作ってから冷蔵庫で冷した。
I made the soup and then chilled it in the fridge.
暑い日は飲み物を冷しておくといい。
It's good to chill drinks on hot days.
頭を冷してからもう一度考えよう。
Let's cool our heads and think again.