a few words to clinch the point; the crucial point that brings the subject to life; the brush stroke that dots in the eyes (idiom); fig. to add the vital finishing touch
着内容中最出色,最精彩的一部分。
笔:文笔。指文章传神绝妙之处。
《晋书·顾恺之传》:“恺之每画人成,或数年不点目睛。人问其故。答曰:‘四体妍蚩,本无阙少于妙处,传神写照,正在阿睹中。’”