刘先生用英文怎么写?

刘先生用英文怎么写?

刘先生 Mr. Liu

例句：

1.刘先生说乙型肝炎对他的工作并无影响。

Lau said having hepatitis B hasn't affected his work.

2.从事网络经营的刘先生说。

Liu, who is operating net business, said.

3.本说，早安，刘先生。

Ben said,@ Good morning, Mr Liu.

4.刘先生自涉足航空界，至今已累积了三十多年的丰富经验。

Edwin has over thirty years of experience in the aviation industry.