如果你不前进，就将永远原地踏步！

If you don't step forward, you're always in the same place.

youdao

因为如果你不前进的话，就可能会倒退。

If you are not moving forward, you might be slipping backwards.

youdao

不前进就要后退。

He who does not advance falls backward.

youdao

I found myself occasionally in disagreement with the direction that President Bush was headed, not very often, and not on any truly fundamental issues.

我偶尔会和布什总统,前进的方向存在分析，但不常有，而且不会,在一些基本问题上存在分歧。

普林斯顿公开课 - 国际座谈会课程节选