That’s funny! 如何翻译？

真逗！

那很有趣。

很有趣。。很有意思

不错，很有意思！（不过最好还是根据语境翻译更好一些）
因为：
funny有下面的意思！
a. 滑稽的,有趣的

例句与用法:
1. The story was very funny.
这个故事非常可笑。

2. The engine's making a very funny noise.
这发动机有一种很怪的声音.

3. That drink has made me feel quite funny.
我喝了那种饮料很不好受.

4. I feel a bit funny today I don't think I'll go to work.
我今天有点儿不舒服--不想上班去了.

5. I want none of your funny business.
我可不干那种非法的事.