磕膝盖 Traditional form: 磕膝蓋 Pinyin (reading): kēxīgài Definitions: (dialect) knee Characters: 磕 - to collide, to hit, to knock, to tap 膝 - knee 盖 - to cover, to hide, to protect Traditional characters: 磕 - to collide, to hit, to knock, to tap 膝 - knee 蓋 - to cover, to hide, to protect