公差 gōngchāgōngchāi common difference Definitions Defs Origin Strokes Stroke Words Sentences Sents gōngchā common difference · tolerance 公 gōng adjective fair just; impartial; unbiased差 chā noun difference difference; discrepancy; the result of a subtraction in mathematicsgōngchāi official errand · corvée 公 gōng noun official (bound form) official business; government duties差 chāi nounverb assignment an official post; a job or task one is assigned to do; a missiongōngchāi bailiff 公 gōng noun official (bound form) official business; government duties差 chāi noun messenger (archaic) a person sent on an errand; a messenger or runnergōngchāi to go on an official trip 公 gōng noun official (bound form) official business; government duties差 chāi to dispatch to send on an errand; to dispatch someone to do a task