紧闭

例句：

1. 1. Please close the door before you leave.
   在你离开之前，请关上门。
2. 2. The window is tightly closed to keep out the cold wind.
   窗户紧闭以抵御寒冷的风。
3. 3. The safe was securely locked after we left.
   我们离开后，保险箱被安全地锁上了。