"Things like that, unexpected noises and flashes, still bother me."

Your dog is likely to be nervous under these circumstances, being surrounded by people and loud, sometimes unexpected noises.

She had curled herself round them, scared of the unexpected noise.

At first he was surprised at the sudden, unexpected noise.

He'd gone another fifty yards when he heard an unexpected noise.

The unexpected noise brought two of the male's comrades rushing to his sides.

The three of them started at the unexpected noise.

Everyone in our car had experienced an instant heart attack at the sudden and unexpected noise.