save up 储存起来
He said he'll spend about$ 300 on a cheap pc and then save up to buy a more expensive computer from apple.
他说他将花300美元左右买台便宜的pc，然后存钱买一台更昂贵的苹果电脑。
It took me a year to save up for a new coat.
我攒了一年的钱才买了一件新大衣。

out of luck 运气不佳， 倒霉
Everybody else is out of luck.
但其他人就没这么幸运了。
If you don't realize your mistake in time, you're out of luck.
如果你没能在这个时间里意识到自己的错误，那就该你倒霉了。