se reían

were laughing

→ se
phrase Rare #44,225
were laughing Describes ongoing or repeated laughter in the past. With “de,” it means “were laughing at.”
SP: Los niños se reían durante la película.
EN: The children were laughing during the movie.

Los otros niños se reían.

The other children were laughing.

El que manejaba y el que lo acompañaba se reían.

The driver and the person riding with him were laughing.

— Argentina 1985 (2022)

No es nada, abuela, se reían del italiano.

It's nothing, Grandma, they were laughing at the Italian.

— हम दिल दे चुके सनम (1999)

Cuando entré a la habitación, Tom y María se reían de algo.

When I entered the room, Tom and Maria were laughing about something.

Todos en el vecindario se reían mucho entonces.

Everyone in the neighborhood laughed a lot then.

— Dos Hermanas (2003)

Frente a todos los guardias que se reían.

In front of all the guards who were laughing.

— Argentina 1985 (2022)