So in the end, he patted me on the shoulder like a swim coach might.

最后他像一个游泳教练一样 拍了拍我的肩膀。

Crocodile is animal's swim coach. He is living at a big swimming pool.

鳄鱼是动物们的游泳教练，他住在一个大泳池里。

For example if you always wanted to be competitive in swimming find a swim coach.

譬如你的兴趣是游泳，那么找一个游泳教练。