未知数儿 Traditional 未知數兒 wèi zhī shù r 🔊 erhua variant of 未知數|未知数[wei4 zhi1 shu4] + Keep this word Meanings wèi zhī shù r 未知數兒 erhua variant of 未知數|未知数[wei4 zhi1 shu4] Its characters 未wèinot yetHSK 6知zhīto know数shǔto countHSK 4儿érchild