It's a sting

It's a sting

It is an idiom, which refers to the sacrifice of parts for the sake of the overall situation.

[source]: biography of Tian Dan in historical records: "when a pit viper stings, it will cut off its hand, and when it stings, it will cut off its foot. What are you doing? It's harmful to the body. " According to the biography of Chen Tai in the annals of the Three Kingdoms, it is said that "when a viper stings his hand, a strong man unties his wrist."

[example]: Wang LV failed to take over and died in an emergency, so he called for help from Guanzhong. I'm not satisfied with Gao, but I'm not satisfied with Yu Wen! But ~, things have to, this picture for the country, willing to blame! The first year of Emperor Wu of Liang Dynasty