外来成语 wàiláichéngyǔ loan idiom Origin Definitions Defs Strokes Stroke Words Sentences Sents 外来 外來 wàilái adjective external Coming from the outside, another place, or a foreign country; foreign; incoming.成语 成語 chéngyǔ idiom A concise and fixed set phrase, typically consisting of four characters and often alluding to a historical story or literary source.