之前我们说过动词词组即动词在前介词在后比如drop out退出的意思。My brother dropped out of high school when he was a junior. drop out 在这里是一个动词，如果我们去掉drop和out之间的空格变成dropout就变成了一个名词。我们可以说：

　　My brother is a high school dropout. 类似的词有很多很多，接下来我们以例句的形式来看一下：

　　1. rip off: 欺骗(尤其是无良商家欺骗顾客)

　　I got ripped off by the mechanic.

　　$100 for the repair work is a total rip-off.

　　2. pick up 泡妞

　　He picks up chicks at the sports bar. 他在体育酒吧泡妹。

　　That girl with Jason is just a pickup at the sports bar.

　　3. hang out: 出去闲逛

　　We usually hang out at the sports bar right by the campus.

　　The sports bar by the campus is a great hangout. (好玩的地方)

　　4. wipe out 摔倒(一般指骑车、或者是滑滑板的时候)

　　Jason didn't make that last turn on his bike and wiped out big time!

　　【 注解：big time 可以理解为程度副词，炒鸡，此处指摔的不轻啊!】

　　Jason got a big time wipeout when he made the last turn on his bike.

　　5. blow up: 生气、发火

　　Our professor really blew up during the lecture.

　　Our professor had a huge blowup during the lecture.

　　6. screw up: 搞砸了

　　Jason totally screwed up his date with that girl.

　　The date with the girl was a total screwup.

　　7. put sb down: 打压某人

　　Jason is always putting her down.

　　What Jason says about her is a put-down.

　　8. chow down: 大吃一顿

　　We really chowed down at the pizza place.

　　We had a huge chowdown at the pizza place.

　　9. goof off 吊儿郎当，不干正事

　　What he does most of the time is to goof off.

　　He's just a huge goof-off.

　　10. cop out: 推卸、逃避自己的责任;

　　She copped out and called in sick. 【call In sick 请病假】

　　She called in sick but it was just a cop-out.

　　11. be fucked up, 完蛋了

　　He screw up the exam, and he is totally fucked up.

　　fuckup 一般指游手好闲而且很笨的大傻逼。。。这个词真的有点狠。

　　It's really hard to teach when half of the students are such fuckups.