Talk some sense into someone

Bring someone to one's senses


Far ragionare qualcuno

Examples
He's acting crazy. Try and talk some sense into him
Sta facendo stupidaggini; cerca di farlo ragionare
You are much too upset. I'm not leaving until I bring you to your senses
Sei troppo sconvolta. Non me ne vado finché non ti avrò fatto ragionare