Rotten
As a Chinese idiom, the Pinyin is Xi ǔ J í B ù di ā o, which means that people can't be made or things and situations can't be saved. It comes from the biography of Zhao Xiuzhuan.
source
Zhao Xiuzhuan in the book of Wei: "it's hard to raise a villain, he's rotten, he can't bear to raise a villain."
explain
It refers to the fact that people cannot be made or things and situations are corrupted and incurable. The same as "rotten wood cannot be carved".
usage
Used as an object or attribute; used in writing
Rotten
The sky is high and the earth is thick - jú gāo tiān,jí hòu dì
sweep down irresistibly from a commanding height - gāo wū jiàn líng
build high forts and dig deep ditches - gāo lěi shēn gōu