比喻写文章或讲话时，在关键处用几句话点明实质，使内容生动有力。
a few words to clinch the point; the crucial point that brings the subject to life; to paint a dragon and dot in the eyes (idiom); fig. to add the vital finishing touch
画(huà)
龙(lóng)
点(diǎn)
晴(qíng)
