key
钥匙的英文有:key; unlocking key; [电影]Kelid
短语
key to a door;
万能钥匙
universal key;
一把钥匙开一把锁
例句
我把钥匙丢了。
I lost my keys
要是你把自己锁在了屋外,那把钥匙就派上用场了。
That key will come in handy if you lock yourself out
钥匙卡在锁里了。
The key has stuck in the lock.