1. one's own 某人自己的
This is my own book.
這是我的書。
2.go crazy for sb. 為某人著迷而瘋狂
Some girls go crazy for the superstar.
有些女孩為那個超級巨星而瘋狂。
3. make bucks 賺很多錢 buck指"一美元"
I hope to make bucks by selling cars to the rich.
我希望通過向富人賣轎車來賺很多錢。
4.spend...(in) doing sth.花費……來做某事
I often spend lots of moeny buying books.
我總是在買書上面花很多錢。
5.back and forth 來回地, 反復地
The guard walked back and forth in front of the gate.
警衛在大門前走來走去。