In an endnote Mr Wilczek warns that the nitty gritty of quantum field theory is not for sissies. Nor is this book.

在尾注处，威尔茨克特别声明到量子场的本质问题不适合胆小鬼，这本书也是如此。

youdao

Time ran out before we could get down to the real nitty-gritty.

我们还没来得及探讨真正的细节，时间就过去了。

《牛津词典》

We also only hinted at the nitty-gritty details of how stack overflows work.

而且，在此只有提到了堆叠溢位是如何产生的实质细节。

youdao

Because there are nitty-gritty issues to solve, and the people are concentrating on those nitty gritty issues.

VOA: standard.2009.11.01

Today we're going to come to what I would call the nitty-gritty of the course.

今天我们要开始,我所指的实质性课程了

耶鲁公开课 - 聆听音乐课程节选

So let's just boil down the newly-available firmware 1.1.3 to the nitty gritty, shall we?

ENGADGET: The skinny on iPhone and iPod touch firmware 1.1.3 Mobile

Beyond the nitty gritty, Zuckerberg and Bosworth threw out a lot of surprising stats.

FORBES: Facebook Email Announcement: By the Numbers

We are now down to the nitty gritty, looking at a business plan and making sure the money is there.

BBC: Ingleby Barwick free school plan given go-ahead