ma'am /mæm, mɑːm, məm $ mæm/ noun → mam1 American EnglishAmE spokenWOMANTALK TO somebody used to address a woman in a polite and respectful way 夫人〔对妇女有礼貌的尊称〕 May I help you, ma'am? 要我帮忙吗，夫人？
2. British EnglishBrE spokenHIGHTALK TO somebody used to address the Queen or another woman in authority 夫人〔用以称呼女王或其他有权势的女性〕