Look here, Mr. Sherlock Holmes, he said, we are all ready to acknowledge that you are a smart man, and that you have your own methods of working.

你看，福尔摩斯先生，我们都承认你是一个精明强干的人，而且你也有你自己的一套工作方法。

Leading on from the idea of a portrait potentially not being drawn from life, but after her death, do the pentimenti support that or are they characteristic of Leonardo's method of working in general?

设想这个画可能不是生前画的，而是死后画的，修改笔画的再现能证明这点吗，还是这些是达芬奇一般的画法特点？