一尘不染 yīchénbùrǎn spotless Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 尽管雨天时道路成了泥河,这座屋子内部的地板一尘不染。 jǐnguǎn yǔtiān shí dàolù chéng le ní hé, zhè zuò wūzi nèibù de dìbǎn yīchénbùrǎn. Though the streets become rivers of mud when it rains, the floors inside this house were spotless. Source: CCMatrix