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5．1ook through仔細(xì)看；瀏覽

You have to look through the papers before you hand them

4．1ook forward to盼望

We look forward to knowing the results of the exam．

3．1ook into調(diào)查

We’11 further look into the matter．

2．1ook out小心

Look out! The pan is on fire．

1．1ook up抬頭；查閱

You may look up new word in a dictionary．

4．knock about連續(xù)打擊／碰撞，漂泊，閑逛

　 He has knocked about all over Asia．

3．knock off撞掉下來

　　 A child ran into the street and knocked the woman off her bicycle．

2．knock down撞倒

　 They make sure the cows not knock the young trees down or eat the leaves．．

1．knock at敲(門、窗等)

　 Yon should knock at the door before coming in．

11．keep off使……遠(yuǎn)離

　 Please keep off the grass．