llevaba un

was wearing a

→ llevar
phrase Very common #1,100
was wearing a Imperfect form of llevar with the masculine singular article un. In context, it often means someone was wearing or carrying something. Less commonly, llevar can also mean things like had been doing/being for a period of time or was running/managing something, as in llevaba un año or llevaba un bar.
SP: Cuando lo vi, llevaba un abrigo gris.
EN: When I saw him, he was wearing a gray coat.

Siempre que iba al servicio se llevaba un tebeo de Mortadelo y Filemón.

Whenever he went to the bathroom, he took a Mortadelo and Filemón comic book with him.

Ella llevaba un bonito sombrero.

She was wearing a pretty hat.

Era rubia y llevaba un impermeable claro.

She was blonde and wore a light-colored raincoat.

— Suspiria (1977)

La chica que llevaba un banjo parecía asustada.

The girl carrying a banjo looked scared.

Ella llevaba un conjunto maravilloso.

She was wearing a wonderful outfit.

El hombre que llevaba un violín parecía molesto.

The man carrying a violin seemed annoyed.

En Halloween él llevaba un disfraz de pirata.

On Halloween he wore a pirate costume.

Layla llevaba un lindo vestido.

Layla was wearing a pretty dress.

El gato llevaba un listón alrededor de su cuello.

The cat was wearing a ribbon around its neck.

Cada vez que iba al servicio se llevaba un tebeo de Mortadelo y Filemón.

Every time he went to the bathroom, he took a Mortadelo and Filemón comic book with him.