nitty-gritty是什么意思

nitty-gritty

英 ['niti'ɡriti] 美

nitty-gritty (n.): "basic facts," 1961, knitty-gritty, American English, said to have been chiefly used by black jazz musicians, perhaps ultimately from nit and grits "finely ground corn." As an adjective from 1966.