流于形式 Traditional 流於形式 liú yú xíng shì 🔊 to become a mere formality + Review this word Meanings liú yú xíng shì 流於形式 to become a mere formality Its characters 流liúto flowHSK 4于yúin; at; onHSK 6形xíngto appear式shìtypeHSK 5