蚍蜉戴盆

Explanation: Analogy tasks undertaken by low capacity and very heavy. Also compared himself. 　　Usage: The main predicate; as object, attribute; metaphor forces incompetent 　　Source: Jiao Han Gan "The Sui Yi Lin Fu": "like ants trying to wear a basin, not the mountains." Thesaurus:  Pi Fu regret tree, overestimate one’ s strength or oneself, Lisuo cannot, kick against the pricks, Pi Fu shake the tree, Mantis arm when the car, Tarzan Egg press, like an egg knocking itself against a stone, Ant Shake the tree