negotiator [nɪˈgoʊʃieɪtə(r)]

例句:

• He is polished, charming, articulate and an excellent negotiator.
  他文雅、迷人、能言善辩，是一名优秀的谈判人。
  
• Richard Li had proved a deft negotiator during the auction.
  来自WSJ
• Their chief negotiator turned his critical eye on the United States.
  他们的首席谈判代表以批判的眼光看美国。
  
• He's a self-assured, confident negotiator.
  他是一个胸有成竹、充满信心的谈判者。
  
• I am quite prepared to be a tough negotiator.
  来自THETIMES
• Iran's chief nuclear negotiator earlier this month.
  来自WSJ