reneged

v.背信；违约

Any more colourful candidate could renege on a deal. 任何不同政见的候选人都可能就此交易而报复。

You will almost surely have to renege on some of these promises. 你却几乎必然将违背你的一些诺言。

It says firmly that the EU must not renege on its promise. 报告非常坚定地声称欧盟一定不会食言。

But there is also a temptation to renege to gain sales, much as one prisoner might end up ratting on another. 但违背约定，降低价格来赢得销售也很诱人，正如其中一个囚徒会出卖同伴，先说出供词。