Gadfly
Fighting gadfly, a Chinese idiom, Pinyin is B ó Ni ú zh ī m é ng. The original meaning is that the main goal should be to kill the state of Qin like killing the tabfly on the back of a cow, rather than to defeat others like killing the tabfly. Later, he compared his ambition to be big rather than small. From historical records.
The origin of Idioms
It comes from the historical records of Xiang Yu: "you can't beat the Tabanus of the ox, you can't break the tick."
Idiom usage
To act as an object or attributive
Gadfly
when good luck come , one has good ideas - fú zhì xīn líng
mouth parched and tongue scorched - kǒu gān shé zào
correct evil doings and revert to good deeds - gǎi guò qiān shàn