first lady
1 the First Lady (US) wife of the President of the USA; wife of a state governor 總統夫人; 州長夫人.
2 (usu sing 通常作單數) leading woman in a specified activity or profession 某活動或行業中首屈一指的女性
recognized as the first lady of romantic fiction 公認為浪漫主義小說的主要女作家.