废寝忘食

Contains:

废寝忘食

Definitions: 1

HSK: 6

废寝忘食|

廢寢忘食

fèi qǐn wàng shí (fei4 qin3 wang4 shi2)

idiom

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