一言既出，驷马难追

Explanation: I say the word, that is put on four horse-drawn vehicles are hard to catch up. Refers to words is, you can not recover, we must count. 　　Usage: Complex sentence; as predicate; means what it says 　　Source: "The Analects of Confucius Yan Yuan" Master of the said gentleman, Si less than the tongue. "" Deng Analysis of sub-turn speech "and not a word, Sima can not recover; a word to the urgent, Sima can not be him." 　　Examples: Men Suddenly in Black ~, anything of Fanhui truth! ★ Yuan Li Shouqing "Wu member Chuixiao" the third section of