renege

noun

1. the mistake of not following suit when able to do so

Synonym: revoke

verb

1. fail to fulfill a promise or obligation

e.g. She backed out of her promise

Synonym: renege onrenegue ongo back on

1. 食言;反悔
If someone reneges on a promise or an agreement, they do not do what they have promised or agreed to do.

e.g. If someone reneged on a deal, they could never trade here again.
谁要是违背了约定，就永远不能再在这里进行交易。

1. 食言：若无契约法,人们在生产的过程中的机会主义行为,如食言(renege)、敲竹杠等问题,将会降低生产的效率. 因而我们可以说一部好的契约法是一部很好地解决了人们在签订契约过程中出现的外部性问题的法律. 若生产者创造的财富可以被其他的人或集团任意的剥夺和勒索,

2. 违约：21. out on a limb 孤立无援(尤指争论和意见上) | 22. renege 违约 | 23. squabble 争吵

3. 食言,毁约,背信弃义,否认,拒绝：Renegade:背教,变节,脱党者(的) | Renege:食言,毁约,背信弃义,否认,拒绝 | Relegate:降职,驱逐,委托

4. 背信,违约：renegade 叛教者,叛徒 | renege 背信,违约 | renounce 宣布放弃,抛弃