beat someone to a pulp
US /biːt ˈsʌm.wʌn tuː ə pʌlp/
UK /biːt ˈsʌm.wʌn tuː ə pʌlp/

1.
picchiare a sangue, ridurre in poltiglia
to hit someone repeatedly and severely until they are very badly injured
:
•
The gang members threatened to beat him to a pulp if he didn't pay up.
I membri della banda minacciarono di picchiarlo a sangue se non avesse pagato.
•
After the fight, he looked like he had been beaten to a pulp.
Dopo la rissa, sembrava che fosse stato picchiato a sangue.