Officiates at sporting events, such as netball, hockey, football, basketball, cricket, boxing and wrestling matches, by interpreting and enforcing match rules. Registration or licensing is required.

在体育赛事，如球赛、曲棍球、足球、篮球、板球、拳击和摔跤比赛中解释和执行比赛规则，需要注册或许可。

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As a child, Pistorius competed in water polo, cricket, tennis, triathlons and Olympic wrestling and boxing, before he smashed his knee while playing rugby at the age of 16.

CNN: Who is 'Blade Runner' Oscar Pistorius?

Despite his difficult start to life, Pistorius was keen on sport from an early age and competed in waterpolo, cricket, tennis, triathlons and Olympic wrestling and boxing before he smashed his knee while playing rugby at the age of 16.

CNN: Oscar Pistorius: The bullet in the chamber