I did 6 years of english classes here in Brazil in one of the top english schools in the state. I also spoke with 3 people in the US for more than 3 months via skype to improve my speaking.
I used to participate in business meetings via skype too when I was working for a internet marketing company. I used to translate several tv series for a non-profit translation group here in Brazil. I also translated tech news like new smartphones and computer hardware to a website here in Brazil. I can easily translate general documents.