master /ˈmɑ:stə/ I. n.［c］ 1.主人: the master of the house 家长 The Chinese people have become masters of their country.中国人民已经成了自己国家的主人。 2. 能手，名家，大师：a master in literature 文学名家 This picture is an old master.这幅画是古代名作。 3.［M-］硕士： Master of Arts 文科硕士(可缩为M.A.)；Master of science 理科硕士 (可缩为M.Sc.) ‖II. vt.精通，掌握: He has mastered three foreign languages.他已精通三门外语。
masterly adj. 熟练的，精巧的：He handled the subject in a masterly way.他巧妙地论述了这个问题。
