Word: 自不量力 (zìbùliànglì) 自不量力 dictionary entry zìbùliànglì to overestimate one's capabilities (idiom) Full dictionary entry for 自不量力 Example sentences using 自不量力 2 sentences, showing page 1 of 1. 关公面前比大刀，自不量力 Guāngōng miànqián bǐ dàdāo, zìbúliànglì comparing big swords in front of Guan Gong: overrating one's own strength 关帝庙前耍大刀，自不量力 guāndìmiào qián shuǎ dàdāo, zìbúliànglì waving a big sword in front of the Guandi temple: overrating one's own strength