名詞 bachelor:

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

動詞 bachelor:

1. lead a bachelor's existence
   同義詞：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.
   他們?nèi)吮舜讼嗵幱淇? 一個已婚，一個仍是光棍，而另一個則已有了女友。
2. You have the alternative of marrying or remaining a bachelor.
   你可以結(jié)婚也可以仍做單身漢，任你選擇。
3. Are you a Bachelor of Arts?
   你是文學(xué)學(xué)士嗎？
4. He is still a bachelor.
   他還是一個單身漢。
5. I have a bachelor degree.
   我有學(xué)士學(xué)位。

bach.e.lor

n.Abbr. B.（名詞）縮寫 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.
學(xué)士：已經(jīng)完成了學(xué)院或大學(xué)的全部大學(xué)課程并取得了學(xué)士學(xué)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.
尚未交配的小雄獸：在繁殖季節(jié)中未交配的雄性動物，特別指被較年長的雄性拒于交配領(lǐng)地之外的年輕的雄性海豹
A young knight in the service of another knight in feudal times.
侍從：封建社會中給其它爵士做侍從的年輕騎士

來源：
Middle English bacheler [squire, youth, bachelor]
中古英語 bacheler [侍從，青年，獨身男子]
from Old French
源自 古法語
from Medieval Latin baccal3rius [tenant farmer]
源自 中世紀(jì)拉丁語 baccal3rius [佃農(nóng)]
[perhaps of Celtic origin]
[可能源于凱爾特語的]

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