The comment did nothing for my peace of mind, but I smiled at him with polite interest.

They looked at him again with polite interest, awaiting his opinion.

She was too weary to manage more than polite interest.

He was regarding her with polite interest and some amusement.

Faces which were already turning to look at her and Alex with something more than polite interest.

Though his voice held nothing beyond polite interest, there was still something about him that made her uneasy.

He only looked up when she'd finished, and there was nothing but polite interest in his face.

When she looked at Eve it was with polite interest.

She kept her eyes fixed on his face with polite interest.

So much for the expression of polite interest, Nick thought.