act out
US /ækt aʊt/
UK /ækt aʊt/

1.
encenar, representar
to perform something with actions and gestures
:
•
The children loved to act out their favorite fairy tales.
As crianças adoravam encenar seus contos de fadas favoritos.
•
He decided to act out the scene for the class.
Ele decidiu encenar a cena para a turma.
2.
extravasar, comportar-se mal
to express one's feelings or thoughts through behavior, especially negative ones
:
•
He tends to act out when he's stressed.
Ele tende a extravasar quando está estressado.
•
The child was acting out because he wasn't getting enough attention.
A criança estava se comportando mal porque não estava recebendo atenção suficiente.