先入为主 xiānrùwéizhǔ first impressions are strongest Origin Definitions Defs Strokes Stroke Words Sentences Sents 先 xiān adverb first earlier in time or sequence; beforehand; in advance入 rù verbparticle to enter to enter; to go into; to move from outside to inside为主 為主 wéizhǔ verb to rely mainly on to give first place to; to be the most important factor or primary focus