更新换代 Traditional 更新換代 gēng xīn huàn dài 🔊 reform and renewal + Keep this word Meanings gēng xīn huàn dài 更新換代 reform and renewalgenerational change Its characters 更gèngmoreHSK 3新xīnnewHSK 1换huànto exchangeHSK 3代dàito be a substitute forHSK 5