Take advantage of the weakness
Chinese idiom, Pinyin is ch é NGX ū di é ch ū, which means to attack the enemy's defenseless or weak military forces. It comes from the biography of Yuan Shao in the annals of the Three Kingdoms.
Notes on Idioms
Emptiness: emptiness, weakness. D: many times.
The origin of Idioms
According to Yuan Shaozhuan in the annals of the Three Kingdoms, "it can be divided into several kinds of strange forces, which can be used repeatedly to disturb Henan."
Idiom usage
It is often used in military affairs.
Take advantage of the weakness
Double axe felling solitary trees - shuāng fǔ fá gū shù
Hanging the dead to heal the wounded - diào sǐ fú shāng