bachelor

名词 bachelor:

1. a man who has never been married
   同义词：unmarried man
2. a knight of the lowest order; could display only a pennon
   同义词：knight bachelor, bachelor-at-arms

动词 bachelor:

1. lead a bachelor's existence
   同义词：bach

1. They three get along well with one another; one is married, another is still a bachelor, and the other has a girl friend.
   他们三人彼此相处愉快; 一个已婚，一个仍是光棍，而另一个则已有了女友。
2. You have the alternative of marrying or remaining a bachelor.
   你可以结婚也可以仍做单身汉，任你选择。
3. Are you a Bachelor of Arts?
   你是文学学士吗？
4. He is still a bachelor.
   他还是一个单身汉。
5. I have a bachelor degree.
   我有学士学位。

bach.e.lor

n.Abbr. B.（名词）缩写 B.
An unmarried man.
未婚男子
A person who has completed the undergraduate curriculum of a college or university and holds a bachelor`s degree.
学士：已经完成了学院或大学的全部大学课程并取得了学士学位的人
A male animal that does not mate during the breeding season, especially a young male fur seal kept from the breeding territory by older males.
尚未交配的小雄兽：在繁殖季节中未交配的雄性动物，特别指被较年长的雄性拒于交配领地之外的年轻的雄性海豹
A young knight in the service of another knight in feudal times.
侍从：封建社会中给其它爵士做侍从的年轻骑士

来源：
Middle English bacheler [squire, youth, bachelor]
中古英语 bacheler [侍从，青年，独身男子]
from Old French
源自 古法语
from Medieval Latin baccal3rius [tenant farmer]
源自 中世纪拉丁语 baccal3rius [佃农]
[perhaps of Celtic origin]
[可能源于凯尔特语的]

【引伸】
back.elordom 或
bach.elorhood. 或
bach.elorship.
n.（名词）