一言为定 Save Sign in to save words Traditional (Taiwan): 一言為定 yīyánwéidìng ㄧ ㄧㄢˊ ㄨㄟˊ ㄉㄧㄥˋ it's a deal idiom that's settled then Character by character 一(yī)one 言(yán)words 为(wéi)as (in the capacity of) 定(dìng)fix A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0