behaviour
US /bɪˈheɪ.vjɚ/
UK /bɪˈheɪ.vjɚ/

1.
comportamento
the way in which one acts or conducts oneself, especially toward others.
:
•
His behaviour at the party was unacceptable.
O comportamento dele na festa foi inaceitável.
•
She studies human behaviour.
Ela estuda o comportamento humano.
2.
comportamento, funcionamento
the way in which an animal or a machine operates or functions.
:
•
The dog's aggressive behaviour concerned its owner.
O comportamento agressivo do cão preocupou seu dono.
•
The unusual behaviour of the engine indicated a problem.
O comportamento incomum do motor indicava um problema.