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

1.
寄せ付けない, 抑える
to prevent someone or something from coming too close or causing problems
:
•
The security guards managed to keep the crowd at bay.
警備員は群衆を寄せ付けないようにした。
•
She took medication to keep her allergies at bay.
彼女はアレルギーを抑えるために薬を飲んだ。