un pecado

a sin

→ uno
phrase Rare #26,568
a sin Used for something morally wrong or religiously forbidden; also in expressions like 'it would be a shame' or 'a waste'.
SP: Mentirle a tu familia es un pecado.
EN: Lying to your family is a sin.

Para un sacerdote es un pecado mayor.

For a priest, it is a graver sin.

— Thirst (2009)

Es un pecado correr desnudos y hacer todo eso.

It's a sin to run around naked and do all that.

— Andrei Rublev (1966)

Sería un pecado dejarla ahí.

It would be a sin to leave her there.

— Uno de los nuestros (1990)

Y si yo fuera homosexual, ¿sería ello un pecado?

And if I were homosexual, would that be a sin?

Lo que él no sabía era que él nos había salvado de cometer un pecado.

What he didn't know was that he had saved us from committing a sin.

— Gangs of Wasseypur. Parte 1 (2012)

El odio no es un delito, sino un pecado.

Hate is not a crime, but a sin.

El placer es un pecado, y a veces el pecado es un placer.

Pleasure is a sin, and sometimes sin is a pleasure.

Es un pecado.

It's a sin.

— Dangal (2016)