detrás

behind, at the back of, responsible for

d ɨ t ɾ a ʃ
adverb Rare #37,541
behind, at the back of Usually used with “de” or “por detrás de.”
PO: O gato está detrás da porta.
EN: The cat is behind the door.
behind, responsible for Often used in “por detrás de” to mean being the person or force responsible for something.
PO: Quem está por detrás dessa ideia?
EN: Who is behind this idea?

A ordem era para assegurar uma ponte por detrás das linhas do inimigo.

The order was to secure a bridgehead behind enemy lines.

Você tem certeza de que o Tom está por detrás disso?

Are you sure Tom is behind this?

Eu estava bem detrás do Tom.

I was right behind Tom.

Porque a verdade está aí, por detrás das palavras.

Because the truth lies there, behind the words.

— Malcolm X (1992)

O Sol se pôs por detrás das montanhas.

The sun set behind the mountains.