一程兒 yīchéngr period of time Origin Definitions Defs Strokes Stroke Words Sentences Sents yīchéngr period of time 一程 yīchéng a period of time a certain duration of time儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.yīchéngr section of a journey 一程 yīchéng nounnumeral a section of a journey a stretch of road or a short distance on a trip儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.