He umpired baseball games.
他擔任棒球比賽的裁判。
柯林斯例句
He umpired in the tennis match.
他在網球比賽中擔任裁判.
《現代英漢綜合大詞典》
He umpired for school football matches until he was in his late 50s.
他擔任校際足球比賽的裁判一直到年近花甲。
辭典例句
I've umpired a cricket match for them.
我當過他們的板球比賽的裁判.
《簡明英漢詞典》