eat words
收回先前说过的话，通常是因为它们被证明是错误的或不准确的
正式/口语·收回言论或承认错误
英文释义
to retract or take back something that one has said
例句
The politician had to eat his words after the scandal was exposed.
典故来源
源自16世纪英语，比喻像吞咽食物一样收回说过的话，强调被迫认错。