save up

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

存钱, 储蓄

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.
我正在努力存钱买一辆新车。
She's been saving up all year for her vacation.
她一整年都在存钱为度假做准备。