3 sentences

1. 我是这次比赛的裁判。

   wǒ shì zhè​cì bǐ​sài de cái​pàn.

   I’m the judge of this competition.

   Source: CCMatrix

2. 裁判给他出示了一张红牌。

   cái​pàn gěi tā chū​shì le yī zhāng hóng​pái.

   The referee showed him a red card.

   Source: CCMatrix

3. 人生是一场游戏，它有很多规则，却没有裁判。

   rén​shēng shì yī chǎng yóu​xì, tā yǒu hěn​duō guī​zé, què méi​yǒu cái​pàn.

   Life is a game with many rules but no referee.

   Source: CCMatrix