废寝忘食

fèiqǐn-wàngshí
to skip one's sleep and meals, to be completely wrapped up in one's work
HSK 79
Traditional廢寢忘食

Additional Dictionary Meanings

(idiom) to skip one's sleep and meals; to be completely wrapped up in one's work

Characters (4)

废to abolish, to abandonHSK 79寝to skip one's sleep and meals, to be completely wrapped up in one's workHSK 79忘to forgetHSK 2食snacks, between-meal nibblesHSK 4