Word

HSK	Not in HSK
FREQUENCY	Unknown

一言既出，駟馬難追 yī yán jì chū ， sì mǎ nán zhuī

lit. once said, a team of horses cannot unsay it (idiom); a promise must be kept

一 yī HSK 1	one; a, an; alone
言 yán HSK 4	words, speech; speak, say
既 jì HSK 4	already; de facto; since; then
出 chū HSK 1	go out, send out; stand; produce
駟 sì	team of four horses
馬 mǎ	horse; surname; KangXi radical 187
難 nán	difficult, arduous, hard; unable
追 zhuī HSK 5	pursue, chase after; expel