To review for an exam in English, you can say "to study for the exam" or "to prepare for the exam." The phrase "to review for an exam" comes from the verb "to review," which means to look over or study something again in order to refresh one's memory or to prepare for something, such as an exam. Here are some examples of this phrase in use:

I'm going to spend the weekend reviewing for my history exam.

We need to review for the math test tomorrow if we want to do well.

I always make sure to review my notes before a big exam.

In Chinese, you can say "复习考试" to describe this concept. Here are some examples of this phrase in use:

我打算周末复习历史考试。

如果想考好，我们明天就得复习数学考试了。

我上大考之前总是会把笔记复习一遍。