only you can
Toi seul peux le faire, mais tu ne peux le faire seul.
Only you can do it, but you can't do it alone.
Only you can do it.
Il m'est difficile de te demander ça, mais toi seul peux m'aider.
It's difficult for me to ask you this, but you're the only one who can help me.
— Le Maître d'armes (2006)
Toi seul peux répondre à cette question.
Only you can answer this question.
Only you can save us.