蚍蜉撼樹

蚍蜉撼树
pífúhànshù
  1. lit. an ant trying to shake a tree (idiom)
  2. fig. to overrate oneself; to overestimate one's capabilities

CEDICT

to ridiculously overrate oneself; to be self-important

Wiktionary

比喻不自量力。參見「蚍蜉撼大樹」條。

重編國語辭典

妄圖以自我之力去推翻秩序；不自量力

維基詞典

Entry Composition

1 蚍蜉 pífú a type of large ant
2 撼 hàn
  1. to shake
  2. to vibrate
3 樹 shù
  1. tree
  2. to cultivate
  3. to set up

classifier: 棵