经过一番艰难的讨价还价，我们达成了协议。

After much hard bargaining we reached an agreement.

《牛津词典》

但是，未来几天摆在国会面前的还有艰难的谈判，因为参议院和众议院还将就双方各自通过的法案版本之间的差异进行讨价还价。

But tough negotiations lie ahead in Congress over the next few days, as the Senate and the House of Representatives haggle over differences between the bills they passed.

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游客习惯于商店式的一口价买卖方式，所以一旦索价过高，会有受骗的感觉，要么就是很艰难地去和商贩讨价还价。

They are accustomed to a fixed price like in a shop, and will often feel cheated if the price is too high, or will make a very tough bargain.

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