Can you lower the price? 你能不能降低价格? Can you make it cheaper? 你能不能便宜一点? That's way too high. 那个价格实在太高. That's too expensive. 太贵了. I can't afford it. 我买不起. Pleas help me out. 请你帮我的忙. How about a deal? 要不要给我一个好的价钱? How about 20% off? 打个八折如何? I'd really appreciate it. 我会非常感激.