画 hua4 畫
龙 long2 龍
点 dian3 點
睛 jing1 睛
  1. to paint a dragon and dot in the eyes (idiom); fig. to add the vital finishing touch
  2. the crucial point that brings the subject to life
  3. a few words to clinch the point

Examples

我将增加画龙点睛的功能。
画龙点睛是一则寓言故事。

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