Formal/Neutral:
* 很有趣 (hěn yǒu qù): This literally means "very interesting" and can be used to describe someone or something that is funny.
* 很幽默 (hěn yōu mò): This means "very humorous" and is a more direct way to say "funny."
Informal:
* 好笑 (hǎo xiào): This means "funny" in a more casual way.
* 好逗 (hǎo dòu): This means "funny" or "amusing" and is often used when something is silly or unexpected.
For someone:
* 你很幽默 (nǐ hěn yōu mò): "You are very humorous."
* 他很好笑 (tā hěn hǎo xiào): "He is very funny."
Example:
"The movie was very funny."
* 这部电影很有趣。(zhè bù diànyǐng hěn yǒu qù.)
* 这部电影很好笑。(zhè bù diànyǐng hěn hǎo xiào.)
Remember: The best way to say "are funny" in Chinese depends on the specific situation. Consider the formality of the situation and the type of humor you are referring to.