'What's so funny ?' she demanded.

“什么事这么好笑？”她问道。

《牛津词典》

He looked so funny, we all roared.

他看上去那么滑稽，我们都哈哈大笑。

《牛津词典》

He cracks me up. I don't think I've met anybody so funny in my whole life.

他常逗我发笑，我一生中还没有见过这样有趣的人。

《新英汉大辞典》

He talked about things that were so untrue or unreasonable that they were funny.

VOA: special.2009.07.19

You sort of attack somebody and they're laughing but if it's--but if somebody's trying to mug you you're not "Ah, this is so funny."

你假装打对方，对方会觉得很好笑,但如果有人抢劫你时,你不会觉得好笑“

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So it's really so funny to watch people to kind of have to figure out

看着人们在想办法真的很有趣，

去溜冰场 - SpeakingMax英语口语达人

That's part of the reason why celebrity mugshots are so funny because those fools got caught.

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It's not so funny that it has taken so long to reach this logical conclusion.

WSJ: 'Network Neutrality'? Never Mind.

Afterward, as they were drinking Cognac, the judge asked him what he found so funny.

NEWYORKER: The Insufferable Gaucho