饱读诗书

飽讀詩書
bǎodúshīshū

to have read many books and be learned

Wiktionary

Entry Composition

1 饱读 bǎodú to read intensively
=2 诗书 Shī Shū the Book of Songs 诗经 Shījīng and the Book of History 书经 Shūjīng
=2 诗书 shīshū
  1. literature
  2. the Classic of Poetry and Classic of History