Merriam-Webster Dictionary says nitty-gritty was first used in 1956. The Online Etymology dictionary claims it was first used in the early 1960s, mainly by black jazz musicians.__________________________It was a popular song and dance. Let's listen to Shirley and get down the real nitty-gritty. I'm Anna Matteo.<韦氏大词典>说这个词第一使用于1956年.<网络词源词典>则称这个词第一次出现在20世纪60年代早期,主要由黑人爵士音乐家使用._______________________________当时这首歌和这支舞都很流行. 让我们来欣赏雪莉的歌曲,认真对待事情本质吧. 我是安娜`马提欧.
