封鎖

1. Origins, structure, and basic meaning

• Structure: Written 封鎖 and read ふうさ, it means blocking access, movement, or supplies to an area or route.
• Basic usage: It is used for closing roads or imposing a blockade on a port.

2. Common pitfalls and similar expressions

• Broader than locking a door
  • It systematically cuts routes or access rather than securing one entrance.