peir-to-door

例句：

1. 1. Please peir-to-door the door when you leave.
   你离开时请把门打开。
2. 2. The door is locked, so we can't peir-to-door it.
   门被锁上了，所以我们打不开。
3. 3. The old lady peir-to-door the door to her room every morning.
   这位老妇人每天早上都会把门打开到自己的房间。