1.n when the people, especially business people or politicians, who are involved in a discussion try hard to gain an advantage for their own side - used to show disapproval〔尤指商界或政界人士为己方利益的〕讨价还价〔含贬义〕
when two sides discuss a business deal in a very forceful way, each one trying to get as much as they can without making the other want to stop the deal