Idiom: vastness.
Pinyin: hà o rú yā n h m: i.
Explanation: Hao: vastness; Sea of smoke: the vast sea. Describe the richness of classics and books.
Idiom: Sweat like a pig.
Pinyin: hà n niú chng dê ng dé ng
Commentary: Dong: Dong Yu, house. Books sweat when transported and can be piled on the roof when stored. Describe a large collection of books.
Idiom: Look left and right.
Pinyin: zuǒ tú yòu shǐ
Description: Describe many indoor books.