讨价还价的英文：
[Literal Meaning]
ask for/price/return/rprice
to bargain

[解释]
讨：索取。卖主要价高，买主给价低，双方要反复还价。比喻在进行谈判时反复争论，或接受任务时讲条件。

[Explanation]
to haggle over prices

[例子]
我们给你的优惠条件够多的了，你就不要再讨价还价了。

[Example]
We've given you enough favorable conditions and please do not bargain any more.

[英文等价词]
to drive a hard bargain

To haggle, bargain
讨价还价

shrewd bargaining
精明的讨价还价

To bargain or haggle.
讨价还价;论价

Many of the tourists on board had begun bargaining with the tradesman.
船上的很多旅客开始与商人讨价还价了。

haggle(about terms)
讨价还价

Haggle about a price
讨价还价

Make a bid
出价,讨价还价

Bargaining on the selling side
卖方讨价还价

To bargain or haggle for.
讨价还价;争论不休

To quibble,especially in bargaining.
讨价还价诡辩，特别是在讨价还价中