If this suggestion isn't accepted, we'll be back to square one.

如果这个建议得不到采纳，我们就得从头再来了。

If your complaint is not upheld, you may feel you are back to square one.

如果你的投诉没有得到支持，你可能觉得你又得从新开始。

Now you are back to square one.

现在你得重新开始了。

We are back to square one now.

我们正在重新设计。

I'm back to square one with the work.

我的工作又得从头做起。