Harmony is harmonia in Portuguese. (Brazilians speak Portuguese not "Brazilian").
"Grande" is how you say big in Brazilian Portuguese.
you say tchau
You would say "Eu sou brasileiro" in Brazilian Portuguese.
How are you in portuguese(brazilian) is "Como vai você?"
To say "my name" in Brazilian Portuguese, you can say "meu nome."
"Olá" is how you say hello in Brazilian Portuguese.
"Beijos" is how you say "kisses" in Brazilian Portuguese.
Brazilian(male)= Brasileño Brazilian(female)= Brasileñabrasileño, abrasileños, as
Brazilian is not a language, but Portuguese. And you'd say "por favor" (pronouncing poor-favor)
In Brazilian Portuguese, you can say "Oi" or "Olá" to greet someone.
You can say "Estou muito feliz" in Brazilian Portuguese.
There is no such thing as Brazilian. Anyways, you can say "Eles são adoráveis"