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．
