比对 bǐduì to compare and verify Origin Definitions Defs Strokes Stroke Words Sentences Sents bǐduì to compare and verify · comparison 比 bǐ verb to compare To compare; to contrast; to compete or measure one's skills against another对 對 duì nounverb to check to check; to compare; to verify against a standardbǐduì since 比 bǐ by the time (literary) By the time; when; until.对 對 duì verb to answer to answer; to reply