cool off

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释义
冷静下来
become quiet or calm, especially after a state of agitation;

例句
Ross: Let's take a break, let's cool off, okay, let's get some frozen yogurt, or something.(Friends)
罗斯：咱们休息一下，冷静一会，好吧。吃点冻酸奶，或者其他什么。（老友记）