导购口语:

If you've decided on something, please let me know.

如果您决定买什么，请告诉我一声。

If you will permit me, I would be happy to show you around and explain some of the items.

如果您愿意的话，我乐意带您周围看看，介绍介绍。

Please take your time and let me know if you need any help.

请慢慢看。需要帮忙的话，请告诉我一声。

语句解析:
Be happy to show sb, around 乐意带某人参观，乐意带某人到处看看。look around 和 show around 两者的区别就是 look around 是自己到处逛逛，没有人陪，而 show sb. around 就是有人带着参观。show sb. around somewhere.带领某人参观某地。

情景再现:

A:I could be happy to show you around.

A:我乐意带您去周围看看。
B: I will by happy to show you around.

B:很高兴为您服务。