umpire

1. N-COUNT An umpire is a person whose job is to make sure that a sports contest or game is played fairly and that the rules are not broken. (体育比赛或竞赛的) 裁判

The umpire's decision is final. 裁判的判决是不可更改的。

2. V-T/V-I To umpire means to be the umpire in a sports contest or game. (在体育比赛或竞赛中) 担任裁判

He umpired baseball games. 他过去担任棒球比赛的裁判。