Mas você não me conhece! in Portuguese is "But you don't know me!" in English.
You have to ask for a translator to do the job. I think there is no such lyric on english.
"Você sabe inglês?"
Say, do you know how to speak Portuguese? 'Viu você sabe falar em português' means: 'You see, you know how to speak in Portuguese'. It's not a question but instead an affirmation.
"Who?" in English is Quem? in Portuguese.
If you don't know how to ask them just that in their native tongue, try asking them in English. If they know English, they will understand and respond to you.
I know that "feijoada" (kind of food) and "piranha" (kind of fish) come from Portuguese. But there are others for sure.
There seems to be an error in your question, "voce comenheca quando falar portuguese" does not make any sense. It should be .. você comença quando falar portuguêswich means.. "You start when you speak Portuguese"
If you don't know how to ask them just that in their native tongue, try asking them in English. If they know English, they will understand and respond to you.
Answer: This is Portuguese and it means: 'I ask you that help me in my studies'
"Can you speak English?" in English is Você fala inglês?in Portuguese.
In English : Portuguese In Portuguese : Português (single) Portugueses (plural)