call up
US /kɔːl ˈʌp/
UK /kɔːl ˈʌp/

1.
2.
convocar para o serviço militar, recrutar
to summon someone for military service
:
•
During the war, many young men were called up for duty.
Durante a guerra, muitos jovens foram convocados para o serviço militar.
•
He was surprised when he received the letter to call him up.
Ele ficou surpreso ao receber a carta para convocá-lo.