strike an attitude
US /straɪk ən ˈætɪˌtud/
UK /straɪk ən ˈætɪˌtud/

1.
berpose, bersikap
to adopt a particular posture or manner, often to impress or to express a feeling
:
•
The model would strike an attitude for each photo.
Model itu akan berpose untuk setiap foto.
•
He tends to strike an attitude of indifference when he's nervous.
Dia cenderung bersikap acuh tak acuh saat gugup.