rough (someone) up

to attack someone physically but without causing serious injury.

He was only thirteen the first time gang members roughed him up.

It is reported that police officers roughed up several protesters.

• one for the books
• one for the road
• One good turn deserves another.
• one-hit wonder
• one-horse race
• one-horse town
• one-man band
• One man's meat is another man's poison.
• on end
• one-night stand
• one of a kind
• one of the boys
• one of the lads
• one of those days
• one-shot
• one step ahead
• One step forward, two steps back.
• one swallow doesn't make a summer
• one thing after another
• one thing leads to another
• one-to-one
• one-two punch
• one-upmanship
• on everyone's lips
• one way or another