nas trevas

in the darkness

→ nas
phrase Rare #39,106
in the darkness Literally means “in the darkness”; it can also be used metaphorically to mean in obscurity or without understanding.
PO: Ele caminhou sozinho nas trevas da noite.
EN: He walked alone in the darkness of the night.

Uma Sombra se move nas trevas.

A shadow moves in the darkness.

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

Passei metade da vida nas trevas!

I spent half my life in the dark!

— Andrei Rublev (1966)

E ouça, Senhor, nas trevas, Senhor.

And listen, Lord, in the darkness, Lord.

— Central do Brasil (1998)

E, nas trevas da caverna de Gollum, esperou.

And in the darkness of Gollum's cave, he waited.

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