東施效顰

Etymology
Based on a story in "The Circling Sky", in Zhuangzi (《莊子·天運》). Xishi, a famous beauty in Chinese history, often frowned because of her heart disease. An ugly woman of the same village, who was later known as Dongshi, imitated Xishi to try to be as beautiful as her, but in turn made herself uglier and scared away the villagers.

Idiom

 * 1) to imitate others only to make a fool of oneself; to attempt a crude or awkward imitation