A:May I help you?/What can I do for you?
B:Yes,I want to buy a skirt.
A:What size/color do you wear/want?
B:Size S./Blue.1.May/Can I help you? 您想买点什么?
2.Are you looking for something particular? 您需要什么东西?
3.We have a clearance sale today. 我们今天清仓大处理。
4.The price will go down. 价格将会降低。
5.I heard other stores having great mark-downs on this item. 我听说别的商店这种商品正在大降价。
6.Please try it on. 请试穿一下。
7.I've seen this cheaper in other places. 我在别的地方看见过这种商品,价格比者便宜。
8.Could you bring the price down? 价格能再低一点吗?
9.That is a steal. 这是廉价品。
10.I'd buy this if it were cheaper. 如果再便宜一点我就买。
11.It's a little overpriced. 有点贵。
12.Do you know what size you are? 你知道自己穿多大好吗?
13.I'm afraid we're out of that item. 恐怕那种货已经卖完了。
14.I'm afraid we don't have it in stock. 恐怕已经没有存货了。
15.Where is the men's shop? 男装柜台在哪?
望采纳!购物英语的常用语 = i am going for shopping.