bargainer

基本解释

So he is styling himself as a tough bargainer, who can beat other countries at their own game.
所以，他把自己装扮成为一个强硬的谈判者，可以在其他国家的游戏中打败他们。
http://dict.hjenglish.com
"They said you'd be a good bargainer!" Murdoch said, his mouth making that silent laugh again.
“听说你是个买卖高手，”默多克说，嘴角又浮出无声的笑。
Germany is a helpful, though somewhat exacting friend, that she is a tight and tenacious bargainer, and a most disagreeable antagonist.
德国是有用的朋友，不过有些强求——她是步步紧逼、固执顽强的讨价还价者；是最难相处的对手。

With such different priorities the lead bargainer could inflict headaches on its U.S. competitors.
FORBES: Magazine Article
As a buyer Thompson has earned a reputation for being a tough and patient bargainer.
FORBES: Lord of the Rigs
Economic overtures aside, however, Beijing is quickly gaining a global reputation as a no-nonsense bargainer where the internet is concerned.
CENTERFORSECURITYPOLICY: Beijing strangles the internet