Word: 驷马难追 (sìmǎnánzhuī) Traditional: 駟馬難追 Example sentences using 驷马难追 2 sentences, showing page 1 of 1. 一言既出，驷马难追 yìyánjìchū, sìmǎnánzhuī once a word is spoken, a team of four horses cannot catch it 君子一言，驷马难追 jūnzǐyìyán, sìmǎnánzhuī a gentleman's word, four horses can't catch