驷马难追

Explanation: Word out of the mouth, that is, four horses put on the car is hard to catch up. Refers to utter these words, you can not recover, we must count. 　　Usage: The main predicate; for clause; for people 　　Source: "The new Queen of the Five Dynasties History Jingao Zu Li Chuan": "Unfortunately, disgust on behalf of the late emperor, heir bearing ancestral hall, the public interest can not be following the good, the negative meaning of grace against loss. Bingge repeated action, Sima hard to follow, real self-Yi Qi, blame implementation of the Who! " 　　Examples: Neither can a real man, ~, of the reason there anything bargain is a bargain! (Yuan Li Shouqing "Wu member Chuixiao" the third off) Thesaurus:  solid, Mo Ke controvert, Action must be trustworthy,, gentleman to reach a binding agreement verbally, Nobuyuki made fruit, Action must be trustworthy,, Indelicacy Letter fruit Antonym Group:  Let the dead bury the dead., Be carefree and leisurely Tolerance, breadth, Profile up to breadth, extensive breadth, Bury former enmity, care nothing about, not (to)care a straw, bearing extensive, ability to write spare sb.'s feelings, Huodataiduo, fail to make good one's promise, ask for higher pay for goods or service rendered