Sun Jing Seals His Door (孙敬闭户) is a classic Chinese idiom that describes someone locking themselves away to focus intensely on their studies. This phrase, rooted in an ancient story, is still widely used today to praise dedication and concentration.
What does it mean?
English Meaning: Lock oneself indoors to focus on studying, avoiding all distractions.
Core Idea: It emphasizes extreme self-discipline and the willingness to sacrifice comfort for academic goals.
The Story Behind the Idiom
Sun Jing was a dedicated scholar during the Eastern Han Dynasty. To ensure he wouldn’t be tempted to leave his studies, he took two drastic steps:
- He sealed his door with wooden planks, making it impossible to go out.
- He tied his hair to the roof beam, so if he nodded off while reading, the pull on his hair would wake him up immediately.
This legendary commitment to learning made “Sun Jing Seals His Door” a symbol of unwavering focus in Chinese culture.
How to Use It in a Sentence
“When preparing for his exam, he ‘Sun Jing Seals His Door’—staying home for 2 weeks to study without going out.”
You can also use it more broadly:
“She’s been ‘Sun Jing Sealing Her Door’ to finish her novel, ignoring all social invitations.”