谁知道 Let me have a try at it （让我试一下） 这句话句子成分 和为什么要用have

谁知道 Let me have a try at it （让我试一下） 这句话句子成分 和为什么要用have Let me have a try _ it My shoes were wore out.为什么回答要用Let me have a look at it,而不用Ca Let me have a look at it,all right.(have a ） let me have a try.不能直接have let me have a look at your photo为什么用at let me have look at your new sweater?这里为什么要放have a look at 而 Now let's have a second try为什么要用a me have let try a该怎么排句 Let me have a look at your English stamps ,will you ?为什么用wil Let us have a look at it. 分析下面英语句子成份和词的作用leT me have a try