Formal:
* Muito bom (pronounced moo-ee-too bom) - This is the most common and literal translation.
* Excelente (pronounced ek-se-len-te) - This is a more formal and elevated way to say "very good," meaning "excellent."
Informal:
* Ótimo (pronounced oh-tee-moh) - This is a very common and versatile way to say "very good."
* Show de bola (pronounced show-jee bo-la) - This is a slang expression meaning "great" or "awesome."
* Maneiro (pronounced ma-nay-roh) - This is another slang expression meaning "cool" or "awesome."
Other options:
* Maravilhoso (pronounced ma-ra-vi-lyo-so) - This means "wonderful" or "fantastic."
* Incrível (pronounced in-cree-veel) - This means "incredible" or "amazing."
The best way to say "very good" in Portuguese depends on the specific situation and who you are speaking to. If you are unsure, it is always best to err on the side of formality and use "muito bom" or "excelente."