honest broker (honestbrokers)

• 1.  

  N-COUNT（可数名词） If a person or country acts as an honest broker, they try to help people resolve a dispute or arrange a deal by talking to all sides and finding out what they want, without favouring any one side. 调解人 [usu sing]

  例：

  He doubts whether the U.S. could be an honest broker in the peace talks.

  他很怀疑在和平谈话中美国能否起到调解人的作用。