It was an unusual sound, almost startling since she did it so rarely.

Before The Shadow could move another pace, a startling sound was heard from without.

The only answer was the flapping of a window shade, a rather startling sound.

The detector continued to make its startling sound as she frowned and kept trying.

With her in elegant velvets, it was a startling sound.

He chuckled, an odd, startling sound as if made by a cartoon character.

She laughed, a sharp and startling sound that was all bluster.

She laughed, a harsh and startling sound in that dim place of death.

Before he could speak again, the members of the group became suddenly rigid as they heard a startling sound.

It was a startling sound coming from her.