Meaning of bù xíng:
bù xíng
步行
Verb
to go on foot; to walk
Yóuyú jiāotōng dǔsè, wǒmen juédìng bùxíng dào chēzhàn.
由于交通堵塞,我们决定步行到车站。
Due to the traffic jam, we decided to walk to the station.
Měitiān wǒ dū jiānchí bùxíng shàngbān.
每天我都坚持步行上班。
Every day I insist on walking to work.