go back on a promise

有为有守用英语怎么... ... A watch;a vigil. 守灵；守夜 Go back on a promise. 不守诺言 She betrayed her promise. 她不守诺言 …

go是... ... go back on a promise 违反诺言 old dress codes that have now gone by the board 衣服穿著旧有的陋规已经被扬弃了 ...

... go back on upon from 背叛 go back on a promise 不遵守诺言 go back on one's word 食言 ; 反悔 ; 不认错 ; 出尔反尔 ...