Stanley: Here! Here! Use my card!
Ryan: No you don't! I should treat my new brother-in-law!
Stanley: Not on my life! I'm the best man, so I pay!
Ryan: OK, OK. On one condition.
Stanley: What's that?
Ryan: You come back here with me tomorrow, and it's my treat!
Stanley: You've got it! But are we coming back for the music, or for the fruit?!

brother-in-law (n.) 　
大（?。┚俗樱悖茫┓?。美語中的親戚不分父方或是母方，in-laws是「姻親」，如「岳父，丈人」就是father-in-law

Not on my life! 　
在我這輩子別想！意即「不可能」

condition (n.) 　
條件
A: Can you help me with my homework?
你能幫我寫作業(yè)嗎？
B: On one condition: you have to wash the dishes!
有一個(gè)條件：你得要洗碗！

It's my treat. 　
我請(qǐng)客。
A: That was a fantastic meal! How much is the bill?
這餐真好吃！多少錢？
B: It's my treat!
我請(qǐng)客！

You've got it. 　
一般有「沒問題?！够蚴恰改阏f對(duì)了?！箖煞N意思，需視對(duì)話的前后文而定

史丹利：這里！……用我的卡！
雷　恩：不行！我應(yīng)該要請(qǐng)我未來的妹夫！
史丹利：只要我還活著就別想！我可是伴郎，我來付帳！
雷　恩：好啦……可是有一個(gè)條件。
史丹利：什么條件？
雷　恩：你明天和我再來一次，我請(qǐng)客！
史丹利：沒問題！不過我們是再來唱歌的，還是來吃水果的呀？