畫虎類犬 [画－类－]

Jyutping waak6 fu2 leoi6 hyun2
Pinyin huà hǔ lèi quǎn

Definitions (CC-CEDICT)
  1. to try to draw a tiger but end up with a likeness of a dog (idiom)
  2. to try to do sth overambitious and end up botching it