这是我方主要货品的目录单,您先看一看,对我方产品有更多的了解,好吗? Here is the catalogue covering our main items. Will not you have a look first, just to get more idea of our product?
他急于想看一看那个东西。 He is all on edge to have a look at it.
看一看这封信。 Have/Take a look at this letter.
你最好到厂里去看一看。 You had better go to the factory and have a look.