A single faint flicker of a smile crossed Felouen's lips.
A single flicker of light came from a window somewhere, a lone, golden pinpoint that appeared and then vanished.
Greg saw a single strobe-like flicker of pink douse the man's face.
She was watching the man as if fascinated, but there wasn't a single flicker of fear on her face.
A single flicker of the eyes could give you away.
The headwaiter appeared, and took in their scruffy uniforms with a single flicker of the eyes.
I accepted the news without a single flicker of emotion.
Instead, everything had happened all at once, in that single flicker of violet-blue.
For a second or two the sensation was so severe she felt that death itself was a single flicker of an eyelid away.