长足进步 Traditional 長足進步 cháng zú jìn bù 🔊 rapid progress + Keep this word Meanings cháng zú jìn bù 長足進步 rapid progress Its characters 长chánglongHSK 2足zúfoot; legHSK 6进jìnto go forwardHSK 2步bùa stepHSK 4