look down和look over区别

区别是：
look over 指的是检查，察看；从…上面看；温习。
look down 指的是俯视;向下看；用目光慑服某人；看跌 。后跟宾语时要加相应的介词。

例句辨析：
look over
1、He could have looked over the papers in less than ten minutes.
他本可在10分钟内把文件翻看一遍的。
2、When I look over and see Terry I tingle all over.

当我放眼望去见到特里时，我整个人兴奋不已。
3、Here's the essay for you to look over.

这篇文章请你过目。

look down
1、I wish you wouldn't look down on this kind of work.
我希望你不要看不起这种工作。
2、I don't look down my nose at comedy.

我并不轻视喜剧。
3、Don't look down on the role women can play.

不要瞧不起妇女的作用。

前者：向下看，俯视。后者：检查