Language :

Portuguese
A few basic words and phrases that you may find useful.

Olá	Hi
Bom dia	Good morning
Boa tarde	Good afternoon
Boa noite	Good night
Como está?	How are you?
Muito bem, obrigada	Very well, thanks
Obrigada	Thanks (for a woman)
Obrigado	Thanks (for a man)
Adeus	Goodbye
Tchau	Bye
Até logo	See you later

Portuguese people use the expressions Bom dia, Boa tarde and Boa noite both when saying hello and goodbye, as in;
Olá, bom dia - Hello, good morning
Adeus, boa tarde - Goodbye and good afternoon to you.