锁闭

例句：

1. 1. Please make sure all the doors are locked before leaving.
   请确保所有门都锁好了再离开。
2. 2. The thief managed to lock the door from the outside.
   这个小偷设法从外面把门锁上了。
3. 3. The safe is securely locked with a combination lock.
   保险箱用一个组合锁安全地锁住了。