eat your words
US /iːt jʊər wɜrdz/
UK /iːt jʊər wɜrdz/

1.
nuốt lời, rút lại lời nói
to admit that something you said earlier was wrong, especially when you were boasting or very confident
:
•
He said I couldn't do it, but I'll make him eat his words.
Anh ta nói tôi không thể làm được, nhưng tôi sẽ khiến anh ta nuốt lời.
•
After the team won, the critics had to eat their words.
Sau khi đội thắng, các nhà phê bình phải nuốt lời.