a woman in a position of authority or control 权威女子 she is always mistress of the situation, coolly self-possessed. 她总能控制局面,表现沉着镇静。 ■[with modifier](chiefly Brit.)a female schoolteacher who teaches a particular subject (主英)(教某一门课的)女教师 a Geography mistress. 女地理教师。 ■a woman who is skilled in a particular subject or activity 女名家,女能手 a mistress of the sound bite, she is famed for the acidity of her tongue. 她是录音采访节录名家,以尖酸刻薄出名。 ■the female owner of a dog, cat, or other domesticated animal (狗、猫等的)女主人 ■(archaic)a female head of a household (古)主妇 he asked for the mistress of the house. 他要找这家主妇。 ■(especially formerly) a female employer of domestic staff (尤指旧时的)女雇主
a woman (other than a wife) having a sexual relationship with a married man 情妇 ■(archaic or poetic/literary)a woman loved and courted by a man (古或诗/文)女情人
(Mistress)(archaic or dialect)used as a title prefixed to the name of a married woman; Mrs (古或方)[置于姓名前,用作对已婚女子称呼]夫人
语源
Middle English: from Old French maistresse, from maistre 'master'