大家好，今天我們分享一個非常有用且地道的表達——萬能鑰匙, 這個短語的英文表達是：
master key 萬能鑰匙
The building janitor has a master key to all of the apartments in this building.
大樓的管理員有一把萬能鑰匙，能打開樓內所有單元的門。
The thief must have used a master key to open the safe. We have to call the police immediately.
小偷一定是用萬能鑰匙打開保險柜的。我們得馬上報警。
Just in case you have to leave, we will just use the master key.
如果那樣的話，你離開家，我們用萬能鑰匙。
Duty Manager shall immediately go to the scene with a torch and the master key.
大堂經理接警後，立即攜帶客房萬能鑰匙及手電筒趕赴火警點。
Give him a master key, and he is able to unlock any door.
給他一把萬能鑰匙，他能夠打開任何的門。