苦功 kǔgōng hard work Origin Definitions Defs Strokes Stroke Words Sentences Sents 劳苦功高 láokǔgōnggāo to work hard and perform valuable service To have performed great feats through hard work and toil; often used to praise or acknowledge someone's significant contributions.苦功夫 kǔgōngfu painstaking effort painstaking effort; hard and diligent work