啃书

啃書
kěnshū
  1. lit. to gnaw a book
  2. to study
  3. to cram

CEDICT

Entry Composition

1 啃 kěn
  1. to gnaw
  2. to nibble
  3. to bite
2 书 shū
  1. book
  2. letter
  3. document
  4. to write

classifiers: 本, 冊, 部