畫虎不成反類犬

huàhǔbùchéngfǎnlèiquǎn ㄏㄨㄚˋ ㄏㄨˇ ㄅㄨˋ ㄔㄥˊ ㄈㄢˇ ㄌㄟˋ ㄑㄩㄢˇ

    • to try to draw a tiger but end up with a likeness of a dog (idiom)
    • to try to do sth overambitious and end up botching it

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
trying to draw a tiger, it ends up looking like a dog
Meaning
Imitating something without mastering it and ending up with a clumsy, ridiculous result. Mocking; like 'biting off more than one can chew' in spirit.

Sources