1.Let's go window-shopping.
我们去逛逛吧!

2.Is the price negotiable?
这价钱可以商量吗?

3.She is a shopaholic.
她死个购物狂！

4.1. I'm just browsing.
我只是随便看看.

5.May I try this on?
我能试穿这一件吗?

6.Could you give me a discount?
能给我个折扣吗?

7.Let me ring that up for you!
让我帮你结帐吧!