save up

US /seɪv ʌp/
UK /seɪv ʌp/
"save up" picture
1.

ahorrar, guardar dinero

to keep money so that you can use it later, especially to buy something that you want

:
I'm trying to save up for a new car.
Estoy tratando de ahorrar para un coche nuevo.
She's been saving up all year for her vacation.
Ella ha estado ahorrando todo el año para sus vacaciones.