cool heels
耐心等待，通常是焦急或不耐烦地等待
口语·形容被迫焦急等待
英文释义
to be made to wait or be kept waiting
例句
I've been cooling my heels for an hour while she finishes her meeting.
典故来源
源自19世纪美国，'cool'指等待时身体变凉，'heels'指脚后跟，比喻被迫长时间等待。