look作为及物动词最基本的意思就是“看、观看”,不可以加动词,作为实义动词接宾语时要加介词,作为系动词时后接形容词作表语。它搭配不同的介词组成的短语有不同的意思。
用作不及物动词,意为“看,望,瞧”。
1、单独使用时,后不跟介词。如:
I looked but saw nothing.我看了,但什么也没看见。
Look! Here comes the bus.瞧!汽车来了。
Look before you leap.三思而后行。
2、和at连用。如:
The teacher is looking seriously at us.老师正严肃地看着我们。
Look at these pictures. How beautiful they are!看这些画,它们是多么漂亮啊!
3、和其它某些介词或副词连用:
(1)look after 照看,照料。如:He is old enough to look after himself.他年龄足够大,能照看自己。
(2)look for 寻找。如:I looked for you just now, but I didn’t find you.刚才我到处找你,但没有找到。
(3)look around 四下环顾;到处寻找。如:He looked around but he saw nobody.他四下环顾,但什么人也没看到。
(4)look back on回想,回顾。如:They often look back on the days they spent together.他们常回顾他们在一起度过的日子。
(5)look down on看不起。