Hello Sir, how are you?

hello先生 hello先生开的什么车多少钱

先生你好，英文怎么说？

Hello MR how are you nice to meet you

how do you do，sir?

gentleman 读法按照拼音是 jian tou men

Hello，sir

hello sir

hi.sir

Hello.sir

sir

Hello, Mr.

Hello,sir

Hello，Sir