单词：went back on
毁约,背叛
went back on的用法和样例：
例句
- The company goes back on its agreement to supply at1.50 a unit.该公司违背了按单价1。50英镑供货的协议。
- Once again he went back on his comrades.他再次背弃了他的同志们。
- Far from accepting my advice, he went back on me.他非但不接受我的劝告，反而背叛了我。