It is necessary that we weigh the pros and cons of including English words in Chinese dictionaries.

权衡在汉语词典中加入英语单词的利弊，这对我们来说是很有必要的。

Weigh the pros and cons carefully.

仔细权衡利弊。

Weigh the pros and cons of each choice.

衡量每个选择的正反两面。

Weigh the pros and cons of every option.

衡量每一个选择的正反面。

We must weigh the pros and cons before we make a decision.

我们一定要平衡得失再做决定。