first lady

英 [ˌfɜːst ˈleɪdi]

美 [ˌfɜːrst ˈleɪdi]

n. 第一夫人(美国的总统夫人); 第一夫人(州长的夫人); (某行业、体育运动等方面的)巾帼英雄，女杰，女冠军

Collins.1

牛津词典

noun

第一夫人（美国的总统夫人）
(in the US) the wife of the President
第一夫人（州长的夫人）
the wife of the leader of a state
（某行业、体育运动等方面的）巾帼英雄，女杰，女冠军
the woman who is thought to be the best in a particular profession, sport, etc.
1. the first lady of country music
  乡村音乐最佳女歌手

N-COUNT 第一夫人;总统夫人;州长夫人
TheFirst Ladyin a country or state is the wife of the president or state governor, or a woman who performs the official duties normally performed by the wife.
1. America's First Lady stood on the sweeping staircase of the White House.
  美国第一夫人站在白宫的弧形楼梯上。
N-COUNT 女领袖;女杰;巾帼英雄
If you refer to a woman asthefirst lady ofsomething, you mean that you consider her to be better at the thing mentioned than any other person.
1. ...the first lady of song, Ella Fitzgerald.
  歌坛天后埃拉·菲茨杰拉德

noun