dress up

US /ˌdres ˈʌp/
UK /ˌdres ˈʌp/
"dress up" picture
1.

disfrazarse, vestirse de gala

to put on special clothes, especially for a party or to play a role

:
The children love to dress up in their parents' old clothes.
A los niños les encanta disfrazarse con la ropa vieja de sus padres.
Are you going to dress up for the party tonight?
¿Vas a vestirte elegante para la fiesta de esta noche?
2.

embellecer, disfrazar

to make something look more attractive or impressive than it really is

:
They tried to dress up the old house with new paint and decorations.
Intentaron embellecer la casa vieja con pintura y decoraciones nuevas.
He always tries to dress up his failures as learning experiences.
Siempre intenta disfrazar sus fracasos como experiencias de aprendizaje.