locking hole

例句：

1. 1. The locking mechanism on the safe is quite complex.
   这个保险箱的锁定机制相当复杂。
2. 2.He carefully placed his key in the locking hole and turned it clockwise.
   他小心翼翼地把钥匙插入锁孔，顺时针转动。
3. 3. The thief had to break open the door with a hammer to get inside the locked hole.
   小偷不得不用锤子砸开门才能进入那个锁着的洞。