1. (尊称)女士，太太
    People sometimes say Madam as a very formal and polite way of addressing a woman whose name they do not know or a woman of superior rank. For example, a shop assistant might address a woman customer as Madam .

    e.g. Try them on, madam.
           太太，试穿一下吧！

2. (正式或商业信函的开头称呼语)尊敬的女士
    You use the expression 'Dear madam' at the beginning of a formal letter or a business letter when you are writing to a woman.

    e.g. Dear Madam, Thank you for your interest in our Memorial Scheme.
           尊敬的女士，感谢您对我们的纪念方案的关注。

3. (用于Chairman一类词语前称呼担任这一职位的女性)夫人
    Madam is sometimes used in front of words such as 'Chairman' to address the woman who holds the position mentioned.

    e.g. I have to say this, Madam Chairman.
           主席夫人，我不得不这么说。

4. 顽皮的小女孩；自以为是的小姑娘；喜欢使唤他人的女孩
    You can call a little girl a madam if you are annoyed because she is being naughty and behaving as if she expects other people to do what she wants.

    e.g. Sue is a thoroughly precocious little madam if ever there was one...
           休确实是个少见的早熟的小丫头。
    e.g. Wait till I get you home, young madam.
           等着我把你接回家来吧，大小姐。