蚍蜉撼大樹 pí fú hàn dà shù

DEFINITIONS

  1. lit. an ant trying to shake a big tree (idiom)
  2. fig. to overrate one's own strength
  3. also written 蚍蜉撼樹|蚍蜉撼树[pi2 fu2 han4 shu4]

CHARACTERS

蚍 pí mussels; various shellfish
蜉 fú mayfly; kind of large insect
撼 hàn move, shake; (Cant.) to fight
大 dà big, great, vast, large, high
樹 shù tree; plant; set up, establish