play around
US /pleɪ əˈraʊnd/
UK /pleɪ əˈraʊnd/

1.
brincar, se divertir
to behave in a silly or playful way, often without serious intent
:
•
The kids were just playing around in the park.
As crianças estavam apenas brincando no parque.
•
Stop playing around and focus on your homework.
Pare de brincar e concentre-se na sua lição de casa.
2.
experimentar, testar
to experiment with something, often in a casual or exploratory way
:
•
I'm just playing around with some new software.
Estou apenas experimentando um novo software.
•
He likes to play around with different musical instruments.
Ele gosta de experimentar diferentes instrumentos musicais.