eat (your) words
to admit that what you said is wrong.
I may eat my words, but I don't think Holly is going to be able to do this.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。