cold feet
失去勇氣或信心,在重要時刻退縮
口語·表示臨陣退縮或緊張
英文釋義
to suddenly become hesitant or fearful about something one was previously enthusiastic or confident about
例句
I was all set to propose, but then I got cold feet and couldn't go through with it.
典故來源
源自軍事術語,指士兵在嚴寒中因腳凍傷而無法前進,后引申為臨陣退縮。