We stood outside the front door for so long that the security system asked us if we'd lost our keys.

They'd see to it that he was put away someplace where they lost the key.

If you lose the key, the door may never be unlocked.

They lost the key, and I have had to keep you waiting.

They couldn't get into the house because they had lost the key.

And what about that filing cabinet we lost the key for?

I then proceeded to lose the key in the pool.

Then I had this woman who said she lost her keys.

He is angered by the fact of losing the key and leaves to go drive.

I hope they lock him up and lose the key.