MR. Zhang is our ace teacher in my college.
張老師是我們學校的王牌老師。
Mr. Zhang, who came to see me yesterday, is an old friend of my father's.
張先生昨天來看我，他是我父親的一位老朋友。
www.wxphp.com
Nice to meet you too, Mr. Zhang. My name is Peter Johnson. I am with the BBC Company.
見到您我也很高興，張先生。我叫彼得·約翰遜。BBC公司的。