“有什么可笑的？”英语口语怎么说？

What's so funny?
What's there to laugh about?
Wat's cracking you up?

What's so funny?
What's the fun?
都是可以的
还可以用hilarious来指"可笑的",口语中经常使用.

What are you laughing at?
By the way, you remind me of my teacher. Whenever there was someone laughing, she would use this sentence...

No fun.

what's so funny about?

what's so funny?