4 sentences

1. 我们通常步行去学校。

   wǒ​men tōng​cháng bù​xíng qù xué​xiào.

   We usually walk to school.

   Source: Tatoeba

2. 他每天步行上班。

   tā měi tiān bù​xíng shàng​bān.

   He walks to work every day.

   Source: Dong Chinese Dictionary

3. 他步行离开了。

   tā bù​xíng lí​kāi le.

   He left on foot.

   Source: OpenSubtitles

4. 因为车子坏了，他们只好步行。

   yīn​wèi chē​zi huài le, tā​men zhǐ​hǎo bù​xíng.

   The car broke down, so they had to walk.

   Source: Tatoeba