the nitty-gritty指实质
King of the Nitty-Gritty事业王国的主宰
get down to nitty-gritty归根结底
the e nitty-gritty noun informal基本事实
get down to the nitty-gritty追究根源
the nitty-gritty noun informal基本事实;实情
Let's get to the nitty-gritty咱们讨论实质问题吧
N-SING（单数型名词） If people get down to the nitty-gritty of a matter, situation, or activity, they discuss the most important, basic parts of it or facts about it. 本质; 实质; 事实真相 [非正式][usu 'the' N]
...the nitty gritty of everyday politics.
...日常政治生活的真相。