Questions about example sentences with, and the definition and usage of "Portuguese"

A: This means that there are more people trying Portuguese cooking now.

A: indo e vindo

A: ポルトガル人は優しいです。

A: Check the question to view the answer

A: It has the same meaning.

A: Saying "people" makes the topic more specific, "the Portuguese" can be anything

A: Check the question to view the answer

A: Personal trainer is usually someone who helps adults come up with an exercise plan and to do the exercises correctly. A gym teacher is usually in a school working with children.

A: Espero que isso ajude.
Espero que ajude.

A: Oi

A: It can be something like: "Você é um amigo muito importante para mim"

A: If you criticize, you should do it better.

A: It's just the singers voice but it has been electronically altered to be very deep and low in tone.

I agree that it's a little jarring when compared to the rest of the song. Maybe he wanted it to symbolise something deeper, who knows? Ask him on Twitter :p

A: Here, I found this
The etymology is quite interesting...

A: It really wouldn't matter, both can work.
Saying "people learning Portuguese" could work as well.

A: "You hit the nail right on the head" or "you guessed right!"