She has a mysterious air around her, but she is a refined lady.

He was the type of person who, possibly unwitlingly, gave off a mysterious air.

I spied a young man who was seated at a table separated from the others by a mysterious air.

A black mask covered half her face, giving her a mysterious air.

It gave him a mysterious air, like a putative from the law.

Then they were over clear sky again, and she turned to her mother with a sudden mysterious air of secret knowledge.

He wants to step inside the atoms and breathe the mysterious air within their boundaries.

Lawmakers have been told few details of the inquiry, lending a mysterious air to the whole matter.

Her face, pensively inclined, had a mysterious air of sadness.

Roger looked round him with a mysterious air and frowned in the approved manner.