unable to swallow a bite of food or close one 's eyes in sleep
It's a Chinese idiom. The Pinyin is Q ǐ NSH í J ù f è I, which means that you don't sleep or eat. It refers to extreme anxiety or intense study and work. It's from Song Hongmai's Yi Jian Zhi Shen Jian GUI.
source
Song Hongmai's yijianzhi Shen jiangui: "in June of summer, it's really like red eyes, swelling and pain are very serious, and food and sleep are wasted."
Examples
The 45th chapter of the chronicles of the Eastern Zhou Dynasty written by Feng Menglong of the Ming Dynasty: "besides, when Qin Mugong heard that the three marshals were obtained by Jin Dynasty, he was bored and angry, and he wasted both food and sleep."
Chinese PinYin : qǐn shí jù fèi
unable to swallow a bite of food or close one 's eyes in sleep
have a thorough knowledge of both western and traditional chinese medicine. xué guàn zhōng xī
return to one 's hometown in silken robes. yì jǐn huán xiāng