4 sentences

1. 他迈着轻快的步子走进了房间。

   tā mài zhe qīng​kuài de bù​zi zǒu​jìn le fáng​jiān.

   He walked into the room with light steps.

   Source: Dong Chinese Dictionary

2. 老人迈着沉稳的步子在公园里散步。

   lǎo​rén mài zhe chén​wěn de bù​zi zài gōng​yuán lǐ sàn​bù.

   The old man walked with steady steps through the park.

   Source: Dong Chinese Dictionary

3. 老农夫熟练地用步子丈了一下这块土地的大致长度。

   lǎo nóng​fū shú​liàn de yòng bù​zi zhàng le yī​xià zhè kuài tǔ​dì de dà​zhì cháng​dù.

   The old farmer skillfully paced out the approximate length of the land.

   Source: Dong Chinese Dictionary

4. 我们要跟上时代发展的步子。

   wǒ​men yào gēn​shàng shí​dài fā​zhǎn de bù​zi.

   We must keep pace with the developments of the times.

   Source: Dong Chinese Dictionary