直接杀价：

That's unreasonable! I'd take it for (100 yuan)

这真是卖得太贵了!如果(一百块)我就买。

How about (100 yuan)?

卖(一百块钱)如何?

I'd buy this if it were cheaper。

再便宜一点我就买。

拐弯抹角地杀：

Lower the price, and I'll consider it。

价钱低一点我才会考虑。

It's a little overpriced。

这标价有点贵。

I like everything about it except the price。

这东西除了价钱之外我都喜欢。

尔虞我诈地杀：

I've seen this cheaper (in) other places。

我在别家有看过更便宜的。

I heard other stores were having great mark-downs on this item。

听说别家的这个东西在大减价。

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

多买一点有折扣吗?