have a look、look、look at的区别

题目

have a look、look、look at的区别

答案

have a look是看一下的意思
可以说Let me have a look也可以说Let me have a look at the blackboard.
look at是看的意思,及物
look虽然也是看的意思,但是不及物,一般不单独用,只有做看起来……的意思的时候才单独用