An uncertain frown appeared as she straightened up.

Tseng-li laughed, but his features formed an uncertain frown.

She padded over and gazed at it with an uncertain frown.

Laura Harley was looking down at him with an uncertain, half-comical frown.

Delana peered at them, an uncertain frown drawing her eyebrows down.

Ripleys did nothing, but left me with an uncertain frown.

In her room, Belinda put on the dress with an uncertain frown.

An uncertain frown, and a slight tremor in his right hand.

Simms hesitated, and his sarcastic smile gave way to an uncertain frown.

It was Cassie, her brows knit into an uncertain frown.