废寝忘食fèi qǐn wàng shí

HSK Level 6HSK Level 7-93.0

to neglect sleep and forget about food [idiom]

He studies so hard that he forgets to eat and sleep.

He has recently become obsessed with programming and codes day and night, neglecting sleep and food.

In order to overcome this technical challenge, the entire team worked tirelessly, neglecting sleep and food, for three months.

In order to complete this project, she has been working so hard that she forgets to eat and sleep these past few days.

Is it really necessary to work so hard, neglecting sleep and food, just to pursue perfection?

Although he works very hard, he has not neglected sleep and food to the point of disregarding his health.

The scientist worked tirelessly, forgetting to eat and sleep, and finally made a major breakthrough.