abrir a boca

to open one's mouth; to speak or say something

→ abrir
phrase Uncommon #13,004
to open one's mouth; to speak or say something Can be literal, as in opening the mouth, or figurative, meaning to speak or reveal something. The infinitive form abrir a boca appears after verbs and conjunctions, while the conjugated forms include abre, abra, and abriu.
PO: Ele não consegue abrir a boca sem dizer um palavrão.
EN: He can't open his mouth without saying a swear word.

Não se pode mais abrir a boca nesta cidade?

Can't you even open your mouth in this city anymore?

— Alexandria (2009)

Precisa abrir a boca.

You need to open your mouth.

— Hamnet: A Vida Antes de Hamlet (2025)

William, pode abrir a boca e botar a língua pra fora?

William, can you open your mouth and stick your tongue out?

— Truque de Mestre: O 3° Ato (2025)

Não me faça abrir a boca.

Don't make me open my mouth.

— O Segredo de Aman (2003)

Ele não consegue abrir a boca sem dizer um palavrão.

He can't open his mouth without saying a swear word.

Mas se eu abrir a boca, logo os pais vêm aqui para me esfaquear.

But if I open my mouth, the parents will come right over to stab me.

— Ele Está de Volta (2015)

Eu te mato se você abrir a boca!

I'll kill you if you open your mouth!

— Oldboy (2003)

Vai abrir a boca.

You’re going to open your mouth.

— Malcolm X (1992)