arbiter

在比赛中，裁判是最终裁决者。

The referee serves as the ___arbiter in the game.

在这场激烈的合同纠纷中，双方同意让一位退休法官担任仲裁者。

In the bitter contract dispute, both sides agreed to let a retired judge serve as ___arbiter.

主厨是决定哪些菜式能够进入菜单的最终裁决者。

The head chef acted as the final ___arbiter of what dishes made it onto the menu.