名詞 mister:

1. a form of address for a man
   同義詞：Mr, Mr.

1. At the moment I'm only a mister, but I'll be a professor.
   眼下我是白丁一個(gè)，但是我會(huì)當(dāng)教授的。
2. "Listen to me, Mister!"
   ＂聽我說，先生！＂
3. Don't mister me.
   不要叫我先生。
4. A little boy stopped me in the street and asked me, "What's the time, mister?"
   一個(gè)小男孩在街上攔住了我，問道; “先生，現(xiàn)在幾點(diǎn)了？”

Mis.ter

n.Abbr. Mr.（名詞）縮寫 Mr.
Used as a courtesy title before the surname, full name, or professional title of a man, usually written in its abbreviated form:
先生：一個(gè)男子的姓，全名或職務(wù)前的禮貌稱謂，通常用作略寫形式：
例句：
Mr. Jones; Mr. Secretary.
瓊斯先生；秘書先生

Used as the official term of address for certain U.S. military personnel, such as warrant officers.
長官：某美國軍事人員的官方稱呼，如海軍二級(jí)準(zhǔn)尉們
mister Informal Used as a form of address for a man:
mister 【非正式用語】 先生：用作對(duì)男士稱呼的形式：
例句：
Watch your step, mister.
先生，腳下留神

Informal Used as a term of reference by a woman of her husband.
【非正式用語】 先生：婦女提及其丈夫時(shí)的稱呼

來源：
Alteration of master
master的變化