不自量力

Explanation: They do not measure their own abilities. Refers to overestimate their own strength. 　　Usage: Verb-object type; as predicate, attributive, adverbial; described overestimate their own 　　Source: Tang Xuan Zang "Buddhist Records on Magadha": "Today all heretics of himself, even the group of gangs, dare to sound on the drums, But let the master destroy all different road." 　　Examples: Say that we are all successful candidates among the upper fluke, not ~, dare to presumptuous, conceited about the text. (Qing Li Ruzhen "Flowers in the Mirror," the eighty-seventh back) 　　Riddle: Tangbidangju; ant edge of Huai exaggerated States Thesaurus:  Hundredfold BLOG, to have a brilliant mind and a broad vision, Wide hundredfold Italy, be fastidious but incomperent, have great ambition but little talent, Nothing can