the loss outweighs the gain
In Chinese idioms, Pinyin is d é B ù B ǔ sh ī. It means that the gain can't compensate the loss. The same as "gain is not worth the loss". It comes from the biography of Lu Xun, Wu Zhi of the Three Kingdoms.
The origin of Idioms
According to the biography of Lu Xun in the annals of the Three Kingdoms, it is said that "the right to invade Yizhou will not make up for the loss."
Idiom usage
It refers to the imbalance of gain and loss. I don't want to make up for the loss.
the loss outweighs the gain
Internal repair and external disturbance - nèi xiū wai rǎng