绿色行动正在加快步伐。

The green movement is gathering pace.

总是不断停下不断改变步伐。

There were constant stops and changes of pace.

她因急于逃命加快了步伐

[with obj.]she quickened her pace, desperate to escape

玛丽加快了步伐。

Mary brisked up her pace.

政治改革赶不上经济改革的步伐。

The political reform is failing to keep pace with the economic reform.