Nantoka/矻矻kū kū矻矻 (kū kū) is a Chinese word meaning “assiduously”.Meanings1assiduouslyCharacters in 矻矻矻kū · used in 矻矻[ku1 ku1]矻kū · used in 矻矻[ku1 ku1]Related words孜孜矻矻diligently矻used in 矻矻[ku1 ku1]Study Chinese with flashcards →