请让一下英文怎么说?

请让一下，我扛的这个箱子重的很。 Mind your backs!This box I'm carrying is heavy. 请让一下，好吗？这几个小孩要下车。 Would you mind stepping aside to let the children off the bus? 请让我看一下你的新书。 let me take a look at your new book, please. 请让我看一下。 Please let me check them.