尽本分 jìnběnfèn to do one's duty Origin Definitions Defs Strokes Stroke Words Sentences Sents 尽 盡 jìn verb to do one's best to exhaust one's efforts; to fulfill a duty; to do to the best of one's ability本分 běnfèn one's duty One's duty or role; the responsibilities and obligations within one's own position or lot in life.