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.

Source: Sui Mengfu: "If the law is profound, the mystery is hard to find, it is immortal, the color is not heart, the sky is vast, and Deng Lin is gloomy."

Example: There are numerous records in ancient and modern times. ★ Qing Zhou Yongnian's book Confucianism and Tibetan Studies

2. Idiom: Sweat a lot.

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.

Source: Tang Zongyuan's "Lu Tomb Table": "It is a book, but it is full of buildings and sweating."

For example, making sentences: handed down from generation to generation, full of sweat, who is effective? ★ Qing Pu Songling's Strange Tales from a Lonely Studio Feng Sanniang

3. Idiom: Left picture and right view

Pinyin: zuǒ tú yòu shǐ

Description: Describe many indoor books.

Source: "New Tang Book Yang Wanchuan": "Being alone in one room, left picture and right history."

For example, Beishan is very comfortable with three meals a day in prison. ★ Chapter 12 Literature Cong Chaolei in the Late Qing Dynasty

4. Idiom: Countless

Pinyin: bù j bùjìqíShu

Description: Quantity cannot be calculated. Describe a lot.

Source: Wei Song Liao Weng's "Counties of Dajing Lake": "Or there are about 200,000 government militia in the city, and there are countless scattered in the suburbs."

Example: I went to the state bridge around Hanoi to light up and down, countless. Taken back to the sixty-sixth Shi Ming Naian "The Legend of the Water Margin"

5. Idiom: the history of left and right pictures

Pinyin: zu

Explanation: There are books all around, which shows that you like books and are eager to learn.

Source: "New Tang Book Yang Wan Chuan": [Xu Wan] Calm and quiet, living alone in one room, taking history and gathering dust.