scare off
US /skɛr ɔf/
UK /skɛr ɔf/

1.
espantar, afugentar
to frighten someone or something away
:
•
The loud noise might scare off the birds.
O barulho alto pode espantar os pássaros.
•
His aggressive attitude tends to scare off potential clients.
Sua atitude agressiva tende a espantar clientes em potencial.