half gained but half lost
In Chinese idiom, Pinyin is d é sh à Xi à NGB à n, which means half of what is gained and half of what is lost. It comes from the biography of Quan Cong in the history of the Three Kingdoms.
Notes on Idioms
Gain and loss: gain and loss.
The origin of Idioms
Chen Shou of the Jin Dynasty wrote in the annals of the Three Kingdoms, Wu Shu and Quan Cong Zhuan: "today, when we divide our forces to capture the people, we get half the gain and half the loss. How can we call it complete?"
Idiom usage
To be equal to or equal to. I don't know what it means. It's not like Shicheng has half the gains and half the losses. Yueke, Song Dynasty
half gained but half lost
do one 's best till one 's heart ceases to beat - sǐ ér hòu yǐ