closure by wedging-in crown

例句：

1. 1.The door is closed for maintenance.
   门正在维修中，已关闭。
2. 2. The window is sealed shut tight.
   窗户被紧紧地密封了。
3. 3. The lock was too complicated to fasten with just a key.
   这个锁太复杂了，只用一把钥匙是打不开的。