That sometimes happens. But as the time goes by you get these bugs, you learn what the sentence means, and you get to know how to transate them correctly :)
Take into account that "you" is correct as long as you are referring to "voces" i.e. "you guys" the plural form of you
I do not understand how os becomes they in this sentence? can anyone give a good explanation?
Os, in this case, is a direct pronoun. http://www.learningportuguese.co.uk/language/object-pronouns.html
Yes. Here, who's doing the action of "respecting" is I, not "them", so the verb should agree with "eu". It'd be the same of saying Eu respeito eles C: