keep someone/something at bay
US /kiːp ˈsʌm.wʌn ˈsʌm.θɪŋ æt beɪ/
UK /kiːp ˈsʌm.wʌn ˈsʌm.θɪŋ æt beɪ/

1.
manter afastado, manter sob controle
to prevent someone or something from coming too close or causing problems
:
•
The security guards managed to keep the crowd at bay.
Os seguranças conseguiram manter a multidão afastada.
•
She took medication to keep her allergies at bay.
Ela tomou medicação para manter suas alergias sob controle.