刻苦 kèkǔ HSK7 hardworking Definitions Defs Origin Strokes Stroke Words Sentences Sents 刻苦耐劳 kèkǔnàiláo hard-working and enduring (idiom) to bear hardships and work hard; assiduous and capable of overcoming adversity without complaint刻苦钻研 kèkǔzuānyán to study diligently To apply oneself with great effort and persistence to research or study
