刻苦钻研 Save Create a free account to save words Traditional (Taiwan): 刻苦鑽研 kèkǔzuānyán ㄎㄜˋ ㄎㄨˇ ㄗㄨㄢ ㄧㄢˊ 男 女 to study diligently Character by character 刻(kè)quarter 苦(kǔ)bitter 钻(zuān)study intensively 研(yán)study Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0