Working closely with this book in the intimate ‘reading' of translation has caused me to reflect differently on many of the performances I have seen over the years.

1. 划线部分是动名词 working ...的时间状语从句。

2. in 等于： during，in the course of （在......过程中）。

3. working closely with this book：   比喻译者“认真细致地翻译此书”，

4. in the intimate ‘reading' of translation： 意为“在深入解读翻译真谛的过程中”。

5. Working closely with this book in the intimate ‘reading' of translation：我在深入解读翻译奥秘的过程中认真翻译此书。

【全句翻译】

我在深入解读翻译真谛的过程中认真翻译了此书， 使得我对多年来所看到的许多戏剧表演进行了不同的反思。