刻苦 kèkǔ HSK7 hardworking Origin Definitions Defs Strokes Stroke Words Sentences Sents kèkǔ hardworking 刻 kè verb to carve to carve; to engrave; to cut into a surface苦 kǔ adjectiveadverb painstakingly with great effort, persistence, or patiencekèkǔ frugal 刻 kè adjective cruel (bound form) mean; stingy; harsh; oppressive苦 kǔ adjective miserable hard; painful; experiencing or causing physical or mental distress