a safe bet
US /ə seɪf bet/
UK /ə seɪf bet/
1.
apuesta segura, cosa segura
something that is certain to happen or to be successful
:
•
It's a safe bet that the new restaurant will be popular.
Es una apuesta segura que el nuevo restaurante será popular.
•
Given his track record, he's a safe bet for the promotion.
Dado su historial, es una apuesta segura para el ascenso.