之一 zhīyī HSK4 one of Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: fractional one All meanings 73 zhīyī 73 one of 72fractional one 1 1 sentence for 之一 (zhīyī — fractional one) 这件工作已经完成了三分之一。 zhè jiàn gōngzuò yǐjīng wánchéng le sān fēn zhīyī. One-third of this work has been completed. Source: Dong Chinese Dictionary