📖 Meaning
Peering at the sun through a window. It is a metaphor for having narrow or limited knowledge — bright and focused in one spot, but unable to see the broader picture. The idiom criticizes a circumscribed understanding gained through a restricted vantage point.
📜 Origin Story
The idiom originates from 'Shishuo Xinyu' (A New Account of the Tales of the World), compiled by Liu Yiqing of the Southern Dynasties Song period. In the chapter on literature, the text contrasts northern and southern scholars: northerners reading books is likened to viewing the moon from an open place — broad but dim — while southerners pursuing learning is likened to peering at the sun through a window — concentrated and bright, yet narrow in scope. The passage highlights how southerners' scholarship, though intense, was confined to a limited field of vision.
💡 Example Usage
他只读了一本入门书便自以为精通此道，真是牖中窥日，难见全貌。
He read only a single introductory book yet fancied himself an expert — like peering at the sun through a window, he could hardly see the full picture.
🏷️ Category
➕ Similar Idioms
➖ Opposite Idioms
🔤 Quick Facts
- Chinese: 牖中窥日
- Pinyin: yǒu zhōng kuī rì
- Literal Translation: window, in, peep, sun
- Category: Knowledge
- Characters: 4