废寝食 fèi qǐn shí

to neglect sleep and food

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to neglect sleep and food

Characters

Character Meaning
废 fèi HSK 5
to abolish; to abandon; to discard
寝 qǐn HSK 6
to lie down; old variant of 寢qǐn
食 shí HSK 5
to eat; food; animal feed