背信bèixìn
(1) 背弃信用
词语意思 hTtpS://Www.YOngshIJiAoYu.CN/CIyUJIEshI英:perfidy;treachery;act in bad faith;breach of faith…
◎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。…