序 xù HSK4 order, sequence Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: preface All meanings 106 xù 106 order 105preface 1 1 sentence for 序 (xù — preface) 这本书有作者写的序文。 zhè běn shū yǒu zuòzhě xiě de xùwén. This book has a preface written by the author. Source: AI Challenger 2017