狭长门框

例句：

1. 1. The narrow door frame is a bit of a challenge to install.
   狭窄的门框安装起来有点挑战。
2. 2. The architect designed the building with a narrow door frame.
   建筑师设计这座建筑时，门框设计得很窄。
3. 3. The narrow door frame makes it difficult for people to enter the room.
   狭窄的门框使得人们难以进入房间。