Nantoka/刻苦kè kǔHSK 7–9刻苦 (kè kǔ) is a Chinese word meaning “hardworking; assiduous”.Meanings1hardworking2assiduousPart of speechadjectiveCharacters in 刻苦刻kè · quarter (hour)苦kǔ · bitterRelated words痛苦pain时刻time立刻immediately; at once; right away辛苦exhausting深刻profound苦bitter刻quarter (hour)此刻this moment刻薄unkind片刻short period of time此时此刻at this very moment艰苦difficultStudy Chinese with flashcards →