4 sentences

1. 他赢得了今天下午那场赛马的冠军。

   tā yíng​dé le jīn​tiān xià​wǔ nà chǎng sài​mǎ de guàn​jūn.

   He won today's afternoon horse race.

   Source: Dong Chinese Dictionary

2. 许多人在这次赛马中投注了大笔资金。

   xǔ​duō rén zài zhè cì sài​mǎ zhōng tóu​zhù le dà​bǐ zī​jīn.

   Many people placed large bets on this horse race.

   Source: Dong Chinese Dictionary

3. 那匹赛马戴着眼罩以防止被旁边的马干扰。

   nà pǐ sài​mǎ dài zhe yǎn​zhào yǐ fáng​zhǐ bèi páng​biān de mǎ gān​rǎo.

   The racehorse wore blinkers to prevent it from being distracted by the horses next to it.

   Source: Dong Chinese Dictionary

4. 赛马在香港是一项非常受欢迎的体育运动。

   sài​mǎ zài Xiāng​gǎng shì yī xiàng fēi​cháng shòu huān​yíng de tǐ​yù​yùn​dòng.

   Horse racing is a very popular sport in Hong Kong.

   Source: Dong Chinese Dictionary