After lunch, the pupils were eager to share them with an unannounced visitor.

"The Zarlt also doesn't always have time for unannounced visitors."

You understand, we do not receive a great many unannounced visitors in this isolated location.

"Doping control," one of the two unannounced visitors said.

As it was, I just sat there, scowling at my unannounced visitor.

I was not expecting anyone, and I almost never had unannounced visitors in my private, gated neighborhood.

Seven watched the unannounced visitor and waited to see what it would do.

Keeping an eye on her unannounced visitor, she picked up a tricorder and scanned it.

The man filled Harvath in on everything he knew, including the unannounced visitor with the diplomatic passport.

"You see, we don't get many unannounced visitors here."