畫龍點睛 [ㄏㄨㄚˋ ㄌㄨㄥˊ ㄉㄧㄢˇ ㄐㄧㄥ; hua4 long2 dian3 jing1] to paint a dragon and dot in the eyes (idiom); fig. to add the vital finishing touch the crucial point that brings the subject to life a few words to clinch the point ◄ ►