n.事实真相；本质
Noun:the choicest or most essential or most vital part of some idea or experience;
"the gist of the prosecutor's argument"
"the heart and soul of the Republican Party"
"the nub of the story"
以上就是本站详细整理的词语nitty-gritty是什么意思的翻译解释，供大家参考一下。
Let's get down to the nitty-gritty.