Arrancarme comes from the verb arrancar, which means "to pull out," "to tear away," or "to uproot." The reflexive form arrancarme emphasizes the act of tearing oneself away from something.
In the context of "Sabrá Dios," the singer uses this powerful word to express a deep struggle: "Hasta arrancarme de esta ingrata mentira" (Until I tear myself away from this ungrateful lie). It conveys the intense effort and pain involved in breaking free from a deceptive or painful situation, making it a very evocative and memorable word.
Omara Portuondo and Regina Orozco bring us a song about the painful uncertainty of love. Our singer is caught in a dilemma: she suspects her partner isn't truly committed, but she feels she has no right to know for sure. She sings, "no tengo derecho en realidad saber de ti" [I don't really have the right to know about you]. This feeling of powerlessness is really tough, isn't it?
She's tormented by the thought that her love might fail, and she’d be embarrassed if it did: "me dará vergüenza si este amor fracasa" [it will embarrass me if this love fails]. Despite her doubts, she's determined to confront this "ingrata mentira" [ungrateful lie] and get to the truth, even if it means tearing it from her heart. It's a powerful declaration of needing honesty, even when it hurts.