A slight flutter and sighing intruded over the unseen questioner's words before he finished.

Then he spotted a slight flutter of movement on their chests beneath the white fur.

At first I could detect nothing; then there was the slightest possible flutter.

The slightest flutter of eyelashes betrayed a response.

He didn't reach for his own gun; the slightest flutter of his cloak could have betrayed him.

The slight flutter of the garment revealed its deep crimson lining.

A slight flutter indicated that these were slips of paper.

Marguerite's heart gave a slight flutter; she felt a sudden tightening of the throat.

A slight flutter gave Mars what he wanted.

He saw a slight flutter at the base of the curtain.