renege
/rɪˈniːg/(亦作renegue)
verb
no obj.
1- go back on a promise, undertaking, or contract背信, 违约, 食言：
the government had reneged on its election promises.
政府已经违背了竞选诺言。
1.2
- with obj. archaic renounce or abandon (someone or something)〈古〉拒绝, 放弃：
we fought for the royal Stuarts that reneged us against the Williamites.
我们为斯图亚特王室而战, 而他们却在我们反对威廉支持者时抛弃了我们。
派生词
reneger
noun词源
mid 16th cent. （in the sense 'desert (especially a faith or a person)'）： from medieval Latin renegare, from Latin re- (expressing intensive force) + negare 'deny'.