驷a team of four horses; team of 4 horsesStrokes8PinyinsìParts马horse四fourWords with 驷一言既出,驷马难追yī yán jì chū , sì mǎ nán zhuī · yiyanjichu,simananzhuilit. once said, a team of horses cannot unsay it (idiom); a promise must be kept君子一言,驷马难追jūn zǐ yī yán , sì mǎ nán zhuī · junziyiyan,simananzhuia nobleman's word is his bond (proverb)Study it in Yanamino