not bat an eye
毫不在意或露出任何情感或反應
口語·形容冷靜或漠不關心
英文釋義
show no reaction or emotion, especially in a situation where one might be expected to
例句
She didn't bat an eye when he told her the bad news.
典故來源
源自眨眼反射，19世紀美國俚語，指面對刺激時毫無反應。