step 
英 [stɛp]  美 [stɛp] 
n. 脚步；步态，步伐；步骤；措施；阶段，等级；台阶，平台；舞步

v. 踩，踏；跨步，行走；跳舞；使成阶梯状

例句：
She had to step quickly to keep pace. 

她不得不走快点以跟上步伐。

He's been running and stepping at top pace at training. 

在训练中他一直以最快的速度奔跑和行走。

You couldn't step anywhere. 

你哪儿都不能去。

She took a cautious step inside. 

她小心翼翼地向里迈了一步。

I took a step towards him. 

我朝他迈了一步。