Eat crow

美语里是“吃乌鸦”，英语里用eat humble pie，两种说法都用来比喻“屈辱，丢脸”。两个短语的意指犯下了令人难堪的错误，可后来又不得不承认。

例：They had to eat humble pie when the rumors they were spreading were proved false.

他们因散布谣言而不得不认错道歉。