恩将仇报

Explanation: Take the grace of hatred returns suffered. Refers to the ungrateful. 　　Usage: The main predicate; as the predicate attribute; with the return evil for good 　　Source: Ming Feng Meng, "Awaken the common saying," Volume 30: "This loss of lives saved Husband, this anti-deed goes unpunished, justice lie!" 　　Examples: Husband saved their lives this loss, this anti-~, justice lie! (Ming Feng Meng, "Awaken the common saying" thirty volumes) 　　Riddle: Fisherman to kill family Thesaurus:  to confuse black and white, pervert the truth, call black white, talk black into white, call black white, recriminate; make false countercharges; put the blame on the victim, bite the hand that feeds one, to hit back at sb., To cut en justice, Sensational, alarmism, shocking; appalling, Wapiti Yi-shaped, to distort fact, Means the deer for Ma, the devil rebuking sin