a hopeless task
Steamed sand into rice, a Chinese idiom, Pinyin is zh ē ngsh ā ch é NGF à n, meaning to steam sand into rice. It's impossible to succeed. It comes from the Sutra of Lengyan.
The origin of Idioms
"Leng Yan Jing" says, "if you continue to indulge in immorality, those who practice meditation are like steaming sand and stone to make a meal. After thousands of disasters, they are only named re Sha."
Idiom usage
As a predicate or attributive; of impossible things
Analysis of Idioms
Cooking sand and carving ice
a hopeless task
The flood washed the Dragon King temple - dà shuǐ chōng le lóng wáng miào
Cause trouble and bring disaster - rě zāi zhāo huò
ready to die the cruelest death for principles - gān xīn tú dì
like a spring dream which vanished without a trace - chūn mèng wú hén