Keyhole

Having forgotten his key, he was able to open the door by inserting a wire in the keyhole.

Tom tried to look through the keyhole, but couldn't see anything.

Tom couldn't resist peeking through the keyhole.

I can't find the keyhole.

You say that you lost your keys? Why here they are, just hanging in the keyhole. You're looking for something when it's right under your nose.

Tom looked through the keyhole.

Have you checked the door latch? Have you checked the keyhole? Is it locked?

Tom and Mary watched through the keyhole as their father put on a Father Christmas costume.

Won't you just open the door? Have we got to talk through the keyhole like this?

Just open the door! Do we have to talk through the keyhole like this?