违背诺言 break a promise ; breach of warranty ; go back on ; break promise

违反诺言 [法] break a promise

违背诺言[履行诺言 carry out ; give ; fulfil ; keep

违背许诺 breach of promise

没有违背的诺言 no broken promises

信守/违背/履行诺言 keep/break/carry out a promise

违背了的诺言 broken promise

他又一次违背了诺言 he broke his words once again