Don't you even try to fool me! I'm no country cousin.

你甭想蒙我!我可不是乡巴佬.

You are pricing yourself out of the market!

你这是漫天要价!

It's a daylight robbery!/You must be putting me on. To charge 50 yuan for a mere cup of tea!

简直是抢劫!一杯茶就要我50块!

That's unreasonable! I'd take it for 100.

太贵了!一百块我就买.

I like everything about it except the price.

各方面我都很喜欢,除了价格.

Lower the price and I'll consider.

便宜点我就考虑下.

If I buy more than one, will you give me a discount?

我多买几个,能给我打折吗?