n (1)主人(子)，雇主(person who controls over the action of another or others;employer)[C]：～and servant/man/slave雇主与仆人/主人与男仆/主人与奴隶;The slaves looked at their～with hatred in their eyes.奴隶们用敌意的目光瞧着主人。The～eats his meal in the separate room from the labourers。雇主与工人不在同一餐室用餐。〖同〗owner，lord;〖反〗slave，subject，servant

(2)精通(控制)……的人(person who has control of sth)[C][N(of)](fml)：a～of one's own time/own future/destiny能掌握自己的时间/未来/命运的人;prove oneself～of the situation/the environment证明自己能控制形势/环境;make oneself～of a subject/a foreign language使自己精通一门学科/外国语;

(3)男户长(man who serves as the head of a house) [C]： Father was definitely the～of our house.父亲是当然的一家之主。Where is the～of the house? 这家的户主在哪儿? a～mariner 商船船长;〖同〗head，boss，chief;

(4)(商船)船长(captain of a(merchant)ship)[C]：the～of a sailing ship一帆船船长;The first mate was studying to become a～.大副正在学习，准备当船长。He got his～'s ticket/certificate ten years ago.他在10年前就获得了船长证书。〖同〗captain;〖反〗crew;

(5)有很高技术的工人，师傅(extremely skilled worker with his own business)[作attrib]：a～baker/plumber/carpenter/electrician技术高超的面包师/水管工/木工/电工;He is a～craftsman/chef.他是一位大工匠/高级厨师。〖同〗expert，genius;〖反〗amateur;

(6)男教(导)师(male school teacher or tutor)[C](尤BrE)：a geography/mathematics/French/language～地理/数学/法语/语言教师;a school～学校男教师;a fencing-/dancing-/riding-/music～击剑/舞蹈/骑术/音乐教师;

(7)(文理学)硕士(person with university degree that is higher than a Bachelor of Arts)[C](cap)：a M～of Arts/Science/Philosophy文学硕士/理学硕士/哲学硕士;a M～'s degree (Master's) 硕士学位;A M.Phil is below the level of a Ph.D.(哲学)硕士学位低于博士学位。A reception was held for the newly-made～s and doctors.为刚刚获取硕士和博士学位者举行了招待会。

(8)强对手，劲敌(one who defeats another superior)[C]：meet one's～遇到强手;The champion found his～in this young，obscure challenger.这位冠军发现这个名不见经传的年轻挑战者技艺超过自己。Let's see which of us is the～.看我们谁赢吧。〖同〗superior;

(9)原版(录音，像)带，母带(original as of a record or document，from which copies are made)[C]：Keep the photograph and give me back the～.留下照片，把底片给我。You should keep the～copy in a safe place.你应该把原版拷贝放在安全的地方。the～copy/film/tape原版拷贝/影片/磁带;

(10)主要(首要)的(chief;main;controlling;excellent)[作attrib]：The fear of making mistakes is the～fear.害怕出错是主要的担心。a～plan/station/switch/test sheet/bedroom/card总计划/总站/主位开关/主试卷/主卧室/主卡片;work of a～hand 出自名家之手;〖同〗main，chief，principal;

(11)优秀(高超)的(famous and very skilled;excellent;superior)[作attrib]：a～boxer/strategist身手不凡的拳师/第一流的战略家;〖同〗excellent;superior;

→′masterful adj 能控制别人(专横)的;′masterfully adv熟练地;′masterly adv 巧妙地;′mastery n熟巧，精通;′master-hand 专家;͵master-′key n 万能钥匙;′mastermind n 决策者，才华横溢的人;′masterpiece n杰作;′master-stroke n 绝(高)招;

vt (1)控制，征服(bring under control of sth)[T+n]：～one's emotions/anger/temper/stammer控制感情/压住怒火/忍着性子/克服口吃;She has～ed her fear of heights.她克服了恐高的心理。〖同〗conquer，overcome，control，govern;〖反〗surrender to，yield to;

(2)精通，掌握(become skilled at sth)[T+n]：～the local dialect/the complex skills involved/the art of playing the piano/the English language/the technique掌握当地方言/所涉及的复杂技巧/弹钢琴的技艺/英语/技术;I don't think I'll ever～arithmetic/the violin.我想我学不会算术/小提琴了。She fully～ed the sign language and later learned to speak.她完全掌握了手语，后来学会了讲话。〖同〗grasp