Meaning of the word "rough up" in English

What does "rough up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rough up

US /rʌf/
UK /rʌf/

Phrasal Verb

to treat someone roughly or violently, often causing minor injuries

Example:
The bullies threatened to rough up anyone who didn't give them their lunch money.
The police were accused of roughing up the suspect during the interrogation.