画蛇添足 (huà shé tiān zú)

lit. draw legs on a snake (idiom); fig. to ruin the effect by adding s

Character breakdown

Usage

这篇文章已经很好了,再加内容就是画蛇添足了。

This article is already good enough; adding more would be gilding the lily.

Zhè piān wénzhāng yǐjīng hěn hǎo le, zài jiā nèiróng jiùshì huàshétiānzú le.