名詞 master:

1. an artist of consummate skill
   同義詞：maestro
2. a person who has general authority over others
   同義詞：overlord, lord
3. a combatant who is able to defeat rivals
   同義詞：victor, superior
4. directs the work of other
5. presiding officer of a school
   同義詞：headmaster, schoolmaster
6. an original creation (i.e., an audio recording) from which copies can be made
   同義詞：master copy, original
7. an officer who is licensed to command a merchant ship
   同義詞：captain, sea captain, skipper
8. someone who holds a master's degree from academic institution
9. an authority qualified to teach apprentices
   同義詞：professional
10. key that secures entrance everywhere
    同義詞：passkey, passe-partout, master key

動詞 master:

1. be or become completely proficient or skilled in
   同義詞：get the hang
2. get on top of; deal with successfully
   同義詞：overcome, get over, subdue, surmount
3. have dominance or the power to defeat over
   同義詞：dominate
4. have a firm understanding or knowledge of; be on top of
   同義詞：control

1. The dog came bounding up to its master.
   那狗躥到主人面前。
2. The young servant is waiting upon his master to have dinner.
   青年仆人正服侍他的主人進晚餐。
3. The dog remained faithful to his master.
   這條狗始終忠于它的主人。
4. He is the master of the boat moored alongside.
   他是那條靠著碼頭停泊的船的主人。
5. The puppy was fawning on its master.
   小狗朝著主人搖尾乞憐。
6. He is a Master of Science.
   他是理科碩士。
7. I wish I could be a master of this subject.
   但愿我能精通這門學科就好了。
8. It's not easy to master a foreign language.
   掌握一門外語并不容易。

mas.ter

n.Abbr. M.（名詞）縮寫 M.
One that has control over another or others.
所有者：控制另一個或其他人的人
The owner of a slave or an animal.
（奴隸、牲畜等的）擁有者
One who has control over or ownership of something:
對…有控制權(quán)或使用權(quán)的人：
例句：
the master of a large tea plantation.
大茶葉種植園的主人

The captain of a merchant ship.Also called master mariner
商船船長也作 master mariner
An employer.
雇主
The man who serves as the head of a household.
家長，一家之主：作為一家之主的男人
One who defeats another; a victor.
勝利者，獲勝者

One whose teachings or doctrines are accepted by followers.
教師，教練：其學說為他人所接受或遵循的人
Master Jesus.
Master 耶穌
A male teacher, schoolmaster, or tutor.
男老師、校長或家庭教師
One who holds a master`s degree.
碩士：取得碩士學位的人

An artist or a performer of great and exemplary skill.
名家，名匠：有特殊高超技藝的藝術(shù)家表演者
An old master.
大師
A worker qualified to teach apprentices and carry on the craft independently.
師傅：可帶學徒或獨立掌管其手藝的工匠
An expert:
專家：
例句：
a master of three languages.
掌握三種語言的專家

Used formerly as a title for a man holding a naval office ranking next below a lieutenant on a warship.
（昔日）海軍少尉：曾指在戰(zhàn)艦上職位僅低于上尉軍銜的海軍軍官
Used as a title for a man who serves as the head or presiding officer of certain societies, clubs, orders, or institutions.
總經(jīng)理：用于某一社團、俱樂部、組織或機構(gòu)的首腦或首席主管的頭銜
Chiefly British Used as a title for any of various male law court officers.
【多用于英國】 （法庭的）男法官：指法庭上的各種男性官員的頭銜
Master Used as a title for any of various male officers having specified duties concerning the management of the British royal household.
Master 男官員：用于負責英國王室內(nèi)務管理的各級男性官員的頭銜
Master Used as a courtesy title before the given or full name of a boy not considered old enough to be addressed as Mister.
Master 少爺：用于年齡上還不足被稱為.先生.的少年的名字前的敬稱
Archaic Used as a form of address for a man; mister.
【古語】 先生：用于稱呼男子
Master A man who owns a pack of hounds or is the chief officer of a hunt.
Master 擁有獵犬群的人，狩獵掌管者
An original, especially an original audio recording, from which copies can be made.
原版：尤指錄音或錄像的原版，從其可以制作副本
adj.（形容詞）
Of, relating to, or characteristic of a master.
主人的
Principal or predominant:
主要的，最重要的：
例句：
a master plot.
最重要的情節(jié)

Controlling all other parts of a mechanism:
主要的：控制機械裝置的其他部分的：
例句：
a master switch.
主要開關

Highly skilled or proficient:
精通的，熟練的，優(yōu)秀的：
例句：
a master thief.
手段高明的竊賊

Being an original from which copies are made.
原版的：作為副本從其制作的原版的
v.tr.（及物動詞）
mas.tered,mas.ter.ing,mas.ters
To act as or be the master of.
作為主人，做…的主人
To make oneself a master of:
精通，熟練：使自己成為…的精通者，掌握：
例句：
mastered the language in a year`s study.
一年的學習后就掌握了這種語言

To overcome or defeat:
征服，擊?。?/br>例句：
He finally mastered his addiction to drugs.
他最終戰(zhàn)勝了毒癮

To reduce to subjugation; break or tame (an animal, for example).
使馴服：使平息；削弱或馴服（如動物）
To produce a master audio recording for.
為…制作、灌制唱片原版帶
To season or age (dyed goods).
使干燥（染過的物品）

來源：
Middle English
中古英語
from Old English m3gister, môgister
源自 古英語 m3gister, môgister
Old French maistre
古法語 maistre
both from Latin magister * see meg-
都源自 拉丁語 magister *參見 meg-

【引伸】
mas.terdom
n.（名詞）