5be (a/the) mistress of somethingCONTROLif a woman is a mistress of something, she is in control of it, highly skilled at it etc 〔妇女〕控制着某事物,是某事的能手 → master
She appeared to be very much the mistress of the situation.
她似乎很好地控制着局面。
Examples from the Corpus
be (a/the) mistress of something• And of course, each girl was the mistress of more than one man.• But if Jacquet de la Guerre was a mistress of the grandgesture, Campra's forte was delicateunderstatement.• If she married Pogo, she could do exactly as she pleased and she would be mistress of her own home.
mistress• She thought that her husband had a mistress but could not prove it.• The formerprime minister's wife and mistress both attended the funeral.• She reappeared, according to this, in Geneva, where she has made contact with Dimitri Volkov and became his mistress.• He finally married his mistress Kathleen in jail.• At midnight Mahendra would ride to his mistress, stay with her until four and then return home.• I was taken over one by my Historymistress.• Harris claims she was the millionaire's mistress.• Official concubines became unofficialmistresses, and mistresses became secrets kept from wives.
Mistress
old useNAME OF A PERSON used with a woman’s family name as a polite way of speaking to her 夫人小姐〔对女子的礼貌称呼,置于女子的姓之前〕 → master
Originmistress
(1200-1300)Old Frenchmaistresse, from maistre; → MASTER1