蓉儿…点滴缘
keep calm 保持冷静、镇静
keep one's cool 保持某人的冷静 (美国习惯用语)
举例:It's hard to be polite to some people who come into our store. But our manager always manages to keep his cool when dealing with the kind of rude, nasty customers who would make most of us blow our top.
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