If chosen, there's no turning back.

如果被选上，就不能回头了。

youdao

But if that should ever be completed, there will be no turning back for China: at the least it will have a more efficient state economy.

ECONOMIST: China

Given the choice, would you prefer to make an iron-clad, no-turning-back decision, or one you could back out of if you needed to?

FORBES: Why Keeping Your Options Open Is Really, Really Bad Idea