work fruitlessly
As a Chinese idiom, the Pinyin is Tu á NSH ā Zu ò f à n, which means that it is impossible to waste one's mind. It comes from notes of Yuewei thatched cottage.
The origin of Idioms
Ji Yun's notes on Yuewei thatched cottage in the Qing Dynasty: "however, it's like kneading sand for food to talk with this generation."
Idiom usage
As an object or attribute; in vain
Chinese PinYin : tuán shā zuò fàn
work fruitlessly
cutting into the present-day evils. qiè zhòng shí bì