苦口 kǔkǒu bitter to the taste Origin Definitions Defs Strokes Stroke Words Sentences Sents kǔkǒu bitter to the taste 苦 kǔ adjective bitter having a sharp, pungent taste like that of coffee or unsweetened cocoa; the opposite of 甜 tián口 kǒu noun mouth mouth of a person or animal; (bound form) oralkǔkǒu earnestly 苦 kǔ adjectiveadverb painstakingly with great effort, persistence, or patience口 kǒu nounverb speech speech; words; one's tone of voice or accent