他需要权衡上大学的利弊。

He needs to ___weigh the pros and cons of going to college.

在权衡利弊之后，我认为你应该意识到你工作太努力了。

Having ___weighed the pros and cons, I thought you ought to be conscious of the fact that you're working too hard.

在做决定之前，你应该权衡所有的选择。

Before making a decision, you should ___weigh all the options.