"吃鱼"的英文是 to eat fish或 eating fish。例如：

1. I like to eat fish. 我喜欢吃鱼。

2. Do you eat fish？ 你吃鱼吗？

3. Fish is a healthy food to eat. 鱼是一种健康的食物。

4. I like eating fish. 我喜欢吃鱼。

5. Eating fish is good for your health. 吃鱼对你的健康有益。