la laisser tranquille
Leave her alone, she's out of your league.
Laisse-la tranquille, elle est hors de ta portée.
— The Secret in Their Eyes (2009)
She asked us to leave her alone.
Elle nous a demandé de la laisser tranquille.
She asked him not to leave her alone.
Elle lui a demandé de ne pas la laisser seule.