1. | 情妇a man's (usually a married man's)mistress is a woman that he is having a regular sexual relationship with and who is not his wife |
2. | （尤指私立学校的）女教师a female teacher in a school, especially a private school |
the Biology mistress 生物学女教师 |
3. | （尤指旧时雇用仆人的）女主人，主妇(in the past) the female head of a house, especially one who employed servants |
the mistress of the house 这房子的女主人 |
4. | （狗或其他动物的）女主人the female owner of a dog or other animal |
5. | 有权势的女子；女能人；女强人；女主宰a woman who is in a position of authority or control, or who is highly skilled in sth |
She wants to be mistress of her own affairs(= to organize her own life) . 她希望自己的事自己做主。 |
