开水 kāishuǐ HSK4 boiled water Origin Definitions Defs Strokes Stroke Words Sentences Sents kāishuǐ boiled water 开 開 kāi nounparticle to boil to boil (of liquids)水 shuǐ noun water water; a liquid, juice, or lotionkāishuǐ to turn on the water 开 開 kāi verb to operate to drive; to pilot; to operate (machinery); to turn on (a light, appliance, or water)水 shuǐ noun water water; a liquid, juice, or lotion