14. If you do have the sincerity to do business with us, please show me your cards and put them on the table.
如果您确有诚意与我们做生意，请摊牌吧。
还能这样说：
If you are sincere to do business with us, please come to a showdown.
Please lay your hand on the table to show your willing to do business with us.
应用解析：
business as usual 照常营业，一切如常；
the business end of sth. 发挥效用的部分；
funny business 非法的、可疑的或不被认可的事物

15. Business is possible if you can lower the price to HK $2150.
你方若能减价到2150港币，可能成交。
还能这样说：
We will buy the goods if you can lower the price to HK $2150.
HK $2150 is acceptable for us to buy your products.
应用解析：
get down to business 开始办正事，言归正传；
go about one's business 忙于自己的事；
go out of business 破产，倒闭；
have no business to do sth. 无权做某事

16. Your price is prohibitive.
你方价格高得令人望而却步。
还能这样说：
Your price is terribly high.
Your price is beyond our acceptance.
应用解析：
prohibit sb. from doing sth. 禁止某人做某事

17. We can't satisfy your request of reducing the price.
我们不能满足你们的降价要求。
还能这样说：
It's difficult for us to cut down the price as your request.
We can't meet your request to lower the price.
应用解析：
satisfy one's ambition 实现抱负；
satisfy one's doubt 消除疑虑；
satisfy the eye 悦目

18. If you take quality into consideration, you will find our price reasonable.
如果您把质量考虑进去的话，您会发现我方价格是合理的。
还能这样说：
If you consider the quality, you will find the price reasonable.
The good quality deserves the price.
应用解析：
take to one's heels 仓皇逃跑；
take aback 使吃惊，使吓呆；
take a vote 表决；
take back 撤回，同意收回；
take sb. out of himself 给某人解闷，为某人消愁；
take it out of sb. 使某人筋疲力尽