How do you say i am very excited in mandarin?

There are a few ways to say "I am very excited" in Mandarin, depending on the level of excitement and the context:

Formal:

* 我非常兴奋 (wǒ fēicháng xīngfèn) - This is the most literal translation and is very formal.

Informal:

* 我好兴奋 (wǒ hǎo xīngfèn) - This is a more casual and common way to say "I am very excited."

* 我太兴奋了 (wǒ tài xīngfèn le) - This emphasizes the excitement and is more expressive.

* 我激动死了 (wǒ jīdòng sǐ le) - This is a very strong expression that means "I am so excited I could die." It's used when someone is extremely excited and might be considered overly dramatic.

You can also add other words to convey more specific emotions:

* 我很期待 (wǒ hěn qídài) - I'm very much looking forward to it.

* 我迫不及待 (wǒ pò bù jí dài) - I can't wait.

* 我高兴极了 (wǒ gāoxìng jí le) - I'm extremely happy.

Remember to use the appropriate tone and intonation for each expression.