废寝忘食 (廢寢忘食) fèi qǐn wàng shí

fèi qǐn wàng shí set phrase to neglect sleep and forget about food; to skip one's sleep and meals
Domain: Idiom 成语
Notes: (CC-CEDICT '廢寢忘食')

Word is mentioned most frequently in

Truncated for common words