tajemniczy mężczyzna

Maybe we can get a line on this mystery man.

"Can you set up a meeting with your mystery man and get us some details?"

It was only then that her mystery man seemed to have a real chance.

A mystery man in her life would have explained a lot.

"He's a mystery man and such people are sometimes dangerous."

Perhaps dreaming about the mystery man who had written to her?

A few hours later and the mystery man's body temperature was returned to near normal.

But he remains a mystery man on the architectural scene.

"Your asking around after the memorial service, did it give you any idea who the mystery man was?"

"He remains the mystery man on that estate of his?"