devia saber

should know; should have known

→ dever
phrase Rare #23,938
should know; should have known The exact meaning depends on context; it can express an expectation or something someone ought to have known.
PO: Eu devia saber que você chegaria cedo.
EN: I should have known you'd arrive early.

E achamos que você devia saber alguma coisa.

And we thought you should know something.

— O Profissional (1994)

Você, que veio da Itália, devia saber por experiência.

You, who came from Italy, should know this from experience.

— O Conformista (1971)

Na sua idade, devia saber se comportar, não acha?

At your age, you should know how to behave, don't you think?

— Morangos Silvestres (1957)

Ela devia saber tudo para quando chegasse o momento.

She needed to know everything so that when the time came, she would be ready.

— Pacto de Sangue (1944)

Tu já devia saber disso, garoto.

You should've known that by now, kid.

— Carandiru (2003)

Eu devia saber.

I should have known.

— Leviatã (2014)

Já devia saber o que o esperava!

I should have known what to expect!

— Desejo e Perigo (2007)

Um mago devia saber que isso não se faz!

A wizard should know that's not how you do things!

— O Senhor dos Anéis: As Duas Torres (2002)

Alguém devia saber.

Someone should know.

— Controle: A História de Ian Curtis (2007)

Eu já devia saber.

I should have known.

— O Senhor dos Anéis: A Sociedade do Anel (2001)

Achei que devia saber.

I thought I should know.

— Amor à Flor da Pele (2000)

Já devia saber que o que acontece lá fora, se resolve lá fora, na rua.

I should’ve known that what happens out there gets dealt with out there, on the street.

— Carandiru (2003)

Ela devia saber que o fim estava próximo.

She should have known that the end was near.

— Hamnet: A Vida Antes de Hamlet (2025)