good idea
Talvez não seja tão boa ideia visitá-lo hoje.
Maybe it’s not such a good idea to visit him today.
— Elena (2011)
Perguntaram-me se eu achava boa ideia fazer isso.
They asked me if I thought it was a good idea to do that.
Estava tendo a primeira boa ideia da década quando tocou a campainha.
I was having the first good idea of the decade when the doorbell rang.
— Questão de Tempo (2013)
Em todo o caso, será boa ideia se apressar.
In any case, it would be a good idea to hurry.