His calm expression remained unchanged; he seemed not to have noticed.

She tried to form her face into a stoic, calm expression.

After a minute, their faces had the same grim, deliberately calm expression.

Gone was the calm expression on his face; reality seemed to have deserted him.

Their calm expressions brought him back to earth, and he got a grip on himself.

Her calm expression and frantic fingers didn't go together, as if they belonged to different people.

Well, a calm expression that lasted until he considered again his course.

He had the calm expression of a man who seemed to have everything under control.

She looked at me with her cold, calm expression.

The woman's agitation beat at him despite her level tone and calm expression.