attack one 's own side
As a Chinese idiom, Pinyin is f ǎ ng ē Xi ā ngxi à ng, which means turning weapons and opposing each other; it refers to helping the enemy to oppose themselves. From the book of history, Wu Cheng.
Idiom explanation
Ge: ancient weapons; Xiang: facing. To turn weapons against one another is to help the enemy against himself
The origin of Idioms
"Shangshu · Wucheng" said: "move forward, attack to the north of the back."
attack one 's own side
deliberately embellish the facts - yǒu zhī tiān yè
Put down the butcher's knife and become a Buddha - fàng xià tú dāo,lì dì chéng fó
The inside and the outside match - biǎo lǐ xiāng fú