to go back on
[phrase form: go]
01
食言, 反悔
to fail to do as one promised or agreed
例子
He promised to help us with the project, but he went back on his word and did n't show up.
他承诺帮助我们完成这个项目，但他食言了，没有出现。
The company went back on its pledge to maintain job security for employees.
该公司违背了维持员工工作安全的承诺。
