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

1.
半殺しにする, 徹底的に打ちのめす
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.
ギャングのメンバーは、彼が金を払わなければ半殺しにすると脅した。
•
After the fight, he looked like he had been beaten to a pulp.
喧嘩の後、彼は半殺しにされたように見えた。