One more step and I'll shoot.

你再走一步，我就开枪。

One more step and you'll succeed.

再走一步，你就会成功。

There is one more step to add to your project.

还需要向项目中再添加一步。

When you want to give up, do one more step.

当我们想放弃时，再多走一步就好。

Feeling tired to take one more step is superfluous.

累到感觉多走一步都是多余的。