重点讲解：
1. look up
（在参考书、列表等中）查检（事实或信息）；
eg. Please look up a fast train to Leeds.
请查一下去利兹的快车P^2c46vj1D8+BX9I6^。
eg. I'm usually just using the search engines to look up information.
我通常只是用搜索引擎找一些资料A^WvapA%17C!Wo。
2. keep on
重复；继续；
eg. Don't keep on bothering me.
别老磨人！
eg. You'll soon go to pieces if you keep on working like that.
如果你继续那样工作的话，很快就会垮下来(r(jL(XT!ew[XBW8_H。
3. run away
离开；逃离；躲开；
eg. Three years ago I ran away to Mexico to live with a circus.
3年前我逃到墨西哥，和一个马戏团生活在一起oS0YCa^=]HjUwKIPbx。
eg. He broke the window and ran away.
他打破窗子逃跑了%fHh6lT@tLqd)。
4. finish up
完成；做成；
eg. We must finish up this business ahead of time.
我们必须提前把这件事了结nOBxAwp,P1ugI1s=tca]。
eg. I am going to finish up a slide presentation of this year's profits.
我要完成一份有关今年盈余的幻灯简报gc4,FOpTEn|9Yu。