chop one 's vitality day by day -- have sexual intercourse every night
Dandanershan, a Chinese idiom, Pinyin is d à nd à n é RF á, which means daily damage or funeral. It's from Mencius, gaozishang.
Idiom usage
To refer to damage
The origin of Idioms
"Mencius · gaozishang": "it's just as good as the axe to the forest, and it's better to fight against the forest, can it be beautiful?"
chop one 's vitality day by day -- have sexual intercourse every night
chase the sun and drive the wind - zhú diàn zhuī fēng
show respect to a ranking official - fù nǔ qián qū
be somewhat refined in one 's rough way - cū zhōng yǒu xì