That gave Cardona his key to the mysterious noise.

If you heard a mysterious noise outside the window or in the house, you felt scared and helpless.

Now, as he turned away from the door, the mysterious noise came again.

In fact, she had not heard the small mysterious noise since first entering the building from the cavern.

Their collaboration results in a device like an operating table in a dark room filled with mysterious noises.

He found nothing amiss, but an article about the "mysterious noises" ran on the front page.

Remy had wound himself around behind some sort of panel and was making mysterious noises.

What on earth was she doing coming downstairs in the middle of the night to investigate a mysterious noise?

Later that night, Parkin is kept awake by mysterious noises in his hotel room.

"This mysterious noise - you say it sounded like a shot?"