renege on
Verb
1. fail to fulfill a promise or obligation; "She backed out of her promise"
(synonym) renege, renegue on, go back on
(hypernym) revoke, annul, lift, countermand, reverse, repeal, overturn, rescind, vacate
(entail) promise, assure
renege on
phrv. ไม่รักษาสัญญา