lost the key to:把鑰匙弄丟了。
he lost the key to the door.
他丟了房門鑰匙。
I've lost the key to the house.
我把屋子的鑰匙丟失了。
Did you lose the key to your car
yesterday?
你昨天丟了你小汽車上的鑰匙嗎? If you lose the key to your house, you have to break into the
house.
如果你丟了家門的鑰匙,你就不得不破門而入。