背信弃义

Explanation: Back: contrary; letter: credit; disposable: discard; justice: moral. Breach of promise, not Jiang Daoyi. 　　Usage: Joint type; as the predicate attribute; used to expose, criticize, condemn the occasion 　　Source: "Northern History Week of High Zu Wudi Ji": "angry back o Hui, Wang Yi abandoned the letter." 　　Examples: ~ Is _insert_ed a knife in my back. (Cao Yu, "Wang Zhaojun" Act V) 　　Results: Rebel postman 　　Postscript: Rebel postman 　　Riddle: Traitor Thesaurus:  generosity, break one's promise, Words, and faithlessness, hold one's hand, appetite cames with eating, Give him aninchand he'll take an ell., be insatiably greedy, Avarice knows no bound greed is like a valley that can never be filled, use of unfair or corrupt methods in order to gain a financial or political advantage, act otherwise than one says, jobbery, take bribes, bend the law for personal gain, practise graft skulduggery, act wrongly out of personal considerations pervert the law, moneygrubber the pores of one's mind--the source of one's intellectual capacity, make incessant,exorbitant demands, make endless exorbitant, Nutshell disbelief, one's eyes are bigger than one's belly, batten on cab, disloyalty, betray, venality Antonym Group:  Pace A shake, Deal, promise that will be kept, the whole body innocence, Do not drink Dao spring, will be mercilessly punished, in the course of time, get half the result with twice the effort, Order Line ban, set a good example and perform duties honestly, legality pursue, make vows or pledges repeatedly, be [come in] nowhere, be of the remote past in days of old, in days of old, a stumble may prevent a fall, Xiaochengtaijie, vain trip, learn from past mistakes and avoid future ones, and to cure the sickness to save the patient, dispense the law without bias, Refers to the days of the oath, swear by the Heaven and the sun, in (the) course of time, dizzy, Jidejingtian, not accepted, have difficulty walking, teeter, Haikushilan, use one's own experience as an object lesson, enforce laws impartially, for years, For one or several years Minoru tired, Justice, Jingtianjidi, teach by personal example as well as verbal instruction, What it preaches, The law shall be enforced to the letter upon its promulgation, to be as good as one's words., In successive years Tired old, year in year out, if things continue this way, carry out vigorously and speedily, Lei Feng number of child, dust and stone fly as in storm, wind that carries sand and drives stones, Wind drift sand Go stone