nitty-gritty

名词 nitty-gritty:

1. the choicest or most essential or most vital part of some idea or experience
   同义词：kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum

1. Let's get down to (discussing) the nitty-gritty.
   咱们著手探讨实际情况吧。

nit.ty-grit.ty

n.Informal （名词）【非正式用语】
The specific or practical details; the heart of a matter.
本质：精确的或实际的细节；事物的实质

来源：
[Origin unknown]
[起源不明]