求翻译：喂，小刘！我可以占用你几分钟的时间吗？我想介绍你认识史密斯先生。（面对史密斯先生）这是我的老同学小刘，他现在是这家文具店的老板。（面对小刘）这是我的英语老师史密斯先生，从英国来的。是什么意思？

Hello, Xiao Liu! I can take up a few minutes of your time? I would like to introduce you to Mr. Smith. (Smith) this is my old classmate Liu, he was the owner of a stationery shop now. (Liu) this is my English teacher, Mr Smith from the United Kingdom.