nitty-grittyn.
英 'niti'ɡriti | 美
中文n. 事实真相；本质\nadj. 根本的；详细的
事实真相；本质
adj. 根本的；详细的
词根词源
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.
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