Translation of "Ruin" in Chinese

I think exams ruin education.

我认为考试破坏教育。

Life's a ruin without you.

没有你的话，我的生命就毁灭了。

He will eventually ruin himself.

他会最终毁了自己的。

There is an important ruin hidden under this gym.

這種體育館下藏著一個重要的遺址。

- I think exams are ruining education.
- I think exams ruin education.

我认为考试破坏教育。