空心儿 Traditional form: 空心兒 Pinyin (reading): kòngxīnr Definitions: erhua variant of 空心 (kòngxīn) Characters: 空 - hollow, empty, deserted, bare 心 - heart; mind; soul 儿 - son, child Traditional characters: 空 - hollow, empty, deserted, bare 心 - heart; mind; soul 兒 - son, child