He tried to profiteer from this dirty deal.

他想在这笔肮脏的交易中捞一把.

《现代汉英综合大词典》

But why was he fated to get such a dirty deal?

而究竟为了什么他应该活受罪呀!

汉英文学 - 林家铺子

This dirty deal was sewn up over drinks in the hotel bar.

这笔肮脏交易是在旅馆酒吧间喝酒时谈妥的.

辞典例句

It's a dirty deal.

这是一笔肮脏的交易.

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