异父兄弟 yìfùxiōngdì half brothers Origin Definitions Defs Strokes Stroke Words Sentences Sents 异父 異父 yìfù having different fathers Describes siblings who share the same mother but have different fathers; commonly used in the phrase 同母异父 tóngmǔyìfù.兄弟 xiōngdì noun brothers brothers; elder and younger brothers