一、look作為動詞，用法如下:

1. 用作不及物動詞,意為“看,望,瞧”。

1)單獨使用時,後不跟介詞。如:

I looked but saw nothing.我看了,但什麼也沒看見。

Look! Here comes the bus. 瞧!汽車來了。

Look before you leap. 三思而後行。

2)和at連用。如:

The teacher is looking seriously at us.老師正嚴肅地看著我們。

Look at these pictures. How beautiful they are!看這些畫,它們是多麼漂亮啊!

3)和其它某些介詞或副詞連用:

(1) look after 照看,照料。如:He is old enough to look after himself.他年齡足夠大,能照看自己。

(2) look for 尋找。如:I looked for you just now, but I didn’t find you.剛才我到處找你,但沒有找到。

(3) look around 四下環顧;到處尋找。如:He looked around but he saw nobody.他四下環顧,但什麼人也沒看到。

(4) look back on回想,回顧。如:They often look back on the days they spent together. 他們常回顧他們在一起度過的日子。

(5) look down on看不起。如:Don’t look down on others.不要看不起別人。

(6) look forward to 盼望。如:We are looking forward to seeing you again.我們盼望再見到你。

(7) look into朝……裡面看。如:He looked into the box, but he saw nothing.他朝箱子裡面看了看,但沒看到什麼。

(8) look on...as把某人看作。如:We look on him as our friends.我們把他看作我們的朋友。

(9) look out當心。如:Look out! Don’t hit the tree. 當心!不要撞了樹。

(10) look over仔細檢查;翻閱。如:The doctor is looking him over. 醫生正在給他做仔細檢查。

(11) look through瀏覽;仔細檢查;看穿。如:I have looked it through.我已把它仔細地看了一遍。