英语翻译:当事情坏到了极点，就预示着，它即将朝好的方向发展。。。

When misfortune reaches the limit, good fortune is at hand.否极泰来。

When it gets to the worest, it means that it will get to the best.
the worest和the best做名词

英语谚语：

否极泰来/黎明前最黑暗。
The darkest hour is before dawn.

直译：(“事情”是泛指，所以用复数)
Things get worst before they turn out for the better.

意译：
这句话就是否极泰来的意思啊。版本较多:

1.Out of the depth of misfortune comes the bliss.

2.The darkest hour is before dawn.

3.After black clouds, clear weather.

4.After a storm comes a calm.

The darkest hour is before dawn.