Me, my time has been wasted while you wouldn't know They changed you, taught you to forget me and sell everything which we had Why you sold it, why you did forget me ,where's my sweetheart that I know where's your heart from my love, why it doesn't live beside

Also, I don't think this is Shami... It's an Egyptian song by Mohammed Abdel Wahab, though I'm guessing this is the Yasmine Hamdan version your sister is dancing to. Even though she's Lebanese, she sings it in an Egyptian accent. Saying that, I'm happy to see a better translation of that part of the song than the ones I've found online now!

My time was wasted, and you had no idea about so. They changed you, they taught you how to betray the one who... Why have you betrayed him?, why forget?, where's my baby of from the past ? Why wouldn't your heart feel my love ? Why wouldn't your heart stay by my side? I'd like to note that you can never literally translate Arabic phrases (especially idioms) to English or vice versa, when translating in most cases you just have to find the closest meaning.