The phrase "brutal beating" is correct and usable in written English.
You could use it to describe a particularly violent physical assault, e.g., "The victim was subjected to a brutal beating by the assailant."
In perhaps the most high-profile trial involving state security, two officers are accused of murdering Khalid Sayid, an online activist whose brutal beating death last year fueled an initial burst of outrage among citizens.
In it he makes three demands, including one that Mr Wen investigate what Mr Chen, who is blind, calls the brutal beating up of his family members.
"The Purity" culminates in the most brutal beating death this side of Irreversible *and* a prolonged vision of hell that would scare the sin out of Charles Manson.
The brutal beating had been witnessed by dozens.
The subsequent brutal beating with batons is harrowing.
After an especially brutal beating by a sergeant, the brothers deserted last November.
In January, 2009, he delivered a brutal beating to Antonio Margarito, who seemed to deserve it.
His body showed signs of what officials called a brutal beating.
It wasn't an athletic contest; just a brutal beating that went on and on.
What lands Nick in the hospital is a brutal beating that he endures on Rikers Island.
In the fourth round, Kellerman noted that Scottland was taking a "brutal beating".
