裁判判定这个球出界了。

The ___umpire called the ball out of bounds.

他受邀为这场棒球比赛担任裁判。

He was invited to ___umpire the baseball game.

邻居们请了一位公正的裁判来调解他们的纠纷。

The neighbors asked a fair ___umpire to mediate their dispute.