They suspected that the umpire was blowing a dirty whistle.

他们怀疑裁判吹黑哨。

He was invited to umpire in the school football match.

他受邀去做学校的足球赛裁判。

He served as an umpire in many international tennis matches.

他在很多国际网球比赛中担任裁判。

The umpire said the ball was out.

裁判员判球出界。

We need someone to umpire.

我们得找个人当裁判。

He was the only National League umpire to wear an outside chest protector.

他是惟一穿着外层护胸的全国联盟裁判。

I still play football here, and sometimes I umpire here, so it's a great park.

我仍然在这儿踢球，而且有时候在这儿当裁判，所以这是个很棒的公园。

The games will no doubt continue, but at least they now have a determined umpire.

毫无疑问，比赛将会继续，但至少他们现在有了一个坚定的裁判。