很高兴为你解答.
Who are you not meant to hurt ?
Who do you not intend to hurt ?
Whose heart do you never want to break ?
Who can't you be stone-hearted enough to hurt ?
Who can't you have the heart to hurt
Who can't you bear to make heart broken
你最不忍心伤害谁?
解析: be meant to do = intend to do = want to do打算做.
stone-hearted 铁石心肠的 adj have the heart to do 忍心做.
祝开心~!