A peculiar expression flickered through his eyes and halted whatever he'd been about to say.

She stopped, looking at the bodies, and an expression almost of frustration flickered across her face.

Their expressions flickered for a moment, and then both looked down.

An expression of fear and awe flickered on the thing's face.

His expression barely flickered, though Robert knew he had once again failed to score points.

He tried to make it sound jovial, but their expressions never flickered.

An expression I did not understand flickered across his face.

An expression flickered over his face so that I guessed he recognized her.

The expression of calm happiness and love on her perfect features never flickered.

Seven's expression flickered for a moment then went blank again, but Torres saw it.