The enemy benefits the enemy
As a Chinese idiom, Pinyin is d í Hu ì D í Yu à n, which means repaying good and bad. From Zuo Zhuan, the sixth year of Wengong.
The origin of Idioms
In the sixth year of the Duke of Wen in Zuozhuan, it is said that "in the search of the barbarians, Jia Ji killed Jupian, and the people of Jupian wanted to kill Jia as much as possible to repay Yan. Jupian said:" no, I heard that the former will say: the enemy benefits and the enemy's resentment, not the descendants, the way of loyalty. "
Idiom usage
The ancients are inferior to their sons. A book on Cai Chun's reply to Jiang Bingxian by Zhang Juzheng in Ming Dynasty
The enemy benefits the enemy
Against heaven and against the people - nì tiān wéi zhòng
the hills totter and the earth quakes - shān yáo dì dòng