My attempt at translating the song into English, below the fold.
And if there wasn't this love And if there wasn't this pain And if there weren't these tears And if there wasn't this hurt Why even live in the world? Oh my love, my love was strong And how I suffered for my love, and how I hurt Oh my tears, flowed for so long But in the end no one can tell me I was wrong Wrong to have loved
By the way, in case you were like, “but wait, that song doesn’t have words”, here is a video of it with words, as sung by Mônica Salmaso. The best sung version, in my opinion, though, is by Nara Leão, but it’s sadly not on youtube.