lock

n. 锁,刹车,水闸
v. 锁,上锁,拘禁
[计算机] 锁定

She locked her jewels in the safe.

她把自己的珠宝首饰都锁在保险箱里。

After the burglary I had all the locks changed.

在遭到盗窃之后，我把所有的锁都换了。