总结一下spend的用法.

spend. Vt.vi.
(1)用(钱), 花费
spend money on books
花钱买书
spend all one's energies
竭尽全力
(2)消耗, 用尽, 浪费
They went on firing until all their ammunition was spent.
他们不断射击, 直到耗尽所有的弹药。
spend one's blood and life for the cause of communism
献身于共产主义事业
(3)消磨(时光), 度过
spend …on sth.(in doing sth.)
spend a lot of care on sth. [in doing sth.]
在某事上[做某事时]费很多心血
He doesn't spend much time on his homework .
他花在作业上的时间不多。
How do you spend your leisure?
你是怎样消磨空闲时间的?
spend
vi.花费, 浪费
(被)耗尽, 用尽
He is always spending.
他挥霍成性。
Don't spend without the thought of the next day.
花钱不要只顾眼前不想明天

我现在查了才知道spend还有这么多意思
不过用的多的就是 形容人花什么什么东西，然后后面跟doing 或on doing
大体就这样了
spend的主语必须是人

在给你补充几个吧，比较重要哦，
take
[teIk]
vt., vi.
took [tu:k], taken [teIkEn], taking [teIkIN]
得到；获得
You have to take it as yo