The children were playing up all morning, so I sent them to their rooms
My old car is starting to play up again; I think it needs a service
The software has been playing up recently, causing us to lose data
He's been playing up at school and his grades are suffering
The team's star player is playing up in the final match
Don't let the little ones play up too much while I'm on the phone
The sound system started playing up during the concert
My knee has been playing up after the run
She's been playing up her strengths to impress the interviewers
The audience was delighted by the actors who played up their comedic roles
This old engine is starting to play up again.
Oh no, that's never good news for the trip.
I'll have to get it checked before we go.
The car's engine started to play up again
The car's engine began to malfunction again
The car's engine was having problems once more