arbiter [ˈɑ:rbɪtə(r)]

例句:

• He was the ultimate arbiter on both theological and political matters.
  他在神学和政治事务上都是最终的仲裁人。
  
• The law is the final arbiter of what is considered obscene.
  何谓猥亵最终由法律裁决。
  
• Andrew was the arbiter of the disagreement.
  安德鲁是那场纠纷的仲裁人.
  
• Religion isn't the sole arbiter of evil.
  来自SA
• Experiment is the arbiter of truth in science.
  来自SA
• The era of couturier as artist and arbiter had arrived.
  来自WSJ