step back

后退

Please step aside to make room for the passengers.

请靠边站，给乘客让地方。

A lady and her husband stepped off the train in Boston.

一位女士和她的丈夫在波士顿火车站下了车。

Great things happen when you step out of your comfort zone.

当你踏出自己的自在区，好事就会发生。

walk with slow steps

慢步行走

That’s one small step for a man, one giant leap for mankind.

对于一个人来说，这只是一小步。但对人类来说，这却是巨大的一步。

I know his steps.

我听得出他的脚步声。

I saw his steps in the snow.

我看见雪地上有他的脚印。

a flight of 30 steps

一段30级的台阶

take a decisive / positive step

采取果断的/积极的措施

This is the first step in reforming the welfare system.

这是福利制度改革的第一步。

In a word, Asian governments must take steps to improve the present situation as soon as possible.

总之，亚洲各国政府一定要尽快采取措施改善现状。

Record your result, and go on to step 3.

把你的成绩记录下来，接着进入第三级。

You can start exercising slowly, and then increase the amount of exercise step by step.

开始锻炼的时候你可以慢点，然后逐步加大运动量。