背约bèiyuē
(1) 违背原来的约定
例:背Https://wWw.YONGSHIjiaOYu.Cn/ZAIxianzucI 组词大全约毁誓英:break an agreement;go back on one's word…
◎守约shǒuyuē
(1) [keep an appointment]∶遵守约定
守约而来
(2) [keep a thrifty and simple way]∶保持俭朴
孤贫守约
守约，汉语词汇。…
◎履约lǚyuē
(1) [honor an agreement;keep a promise;keep an appointment]∶履行约定的事;践约
(2) [practise thrift]∶实行节约
居俭履约
(3) [keep one's…