pí​fú​hàn​dà​shù

to overrate one's own strength

Senses

蚍蜉撼大树/ 蚍蜉撼大樹 pí​fú​hàn​dà​shù to overrate one's own strength

literally an ant trying to shake a big tree; used as an idiom to describe someone who ridiculously overrates their own power or influence

References

variant 蚍蜉撼大树/蚍蜉撼大樹 蚍蜉撼树/蚍蜉撼樹
see 蚍蜉撼大树/蚍蜉撼大樹 蚍蜉/蚍蜉
same_as 蚍蜉撼树/蚍蜉撼樹 蚍蜉撼大树/蚍蜉撼大樹