Yo ya no quiero saber nada de ese asunto. Es tu problema, no el mío.I don't want to hear anymore about that subject. It's your problem, not mine.
Le he dicho mil veces que tiene que estudiar más. Yo ya no se lo vuelvo a decir. ¡Allá él!I've already told him thousands of times that he has to study more. I won't be telling him again. Let him work things out for himself!