mickey疯了

have butterflies in one’s stomach。 Butterfly：蝴蝶，stomach：肚子，have butterflies in one’s stomach在某人肚子里面有蝴蝶，用来形容十分紧张。
开始演讲前，我紧张得要死：I felt like having butterflies in my stomach before the speech. （feel like doing sth.）
他紧张死了，因为这场面试可能决定他的人生：
He is having butterflies in his stomach because this interview might change his life.

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