1. pay for sb. ：費錢給某人

e.g. If you pay for both of us now, we can settle up later.

你要是現在先付清咱們兩人的帳，事后咱們倆再細算。

e.g. She locked horns with him over the subject of equal pay for women.

她在婦女同酬問題上跟他爭得不可開交。

2. pay for sth. ：為……付款

e.g. If you want to get the book, you must pay for it in advance.

如果你要買這本書，你得先付款。

e.g. How much must I pay for the damage?

我該賠多少損失費？

4. think about：考慮，仔細想想

e.g. I should like to think about your suggestion before I give a definite reply.

我想先考慮一下你的建議, 然后給你一個明確的答復。

e.g. Elinor is thinking about emigrating to the United States.

埃莉諾正在考慮移居美國。