Significados de horror-struck face en inglés

I can not forget Dad's white, horror-struck face nor what he said.

He grinned broadly at the sight of the youth's horror-struck face.

Kelson recoiled as from a blow, staring at his friend with a horror-struck face.

Was this his aunt with that white, horror-struck face?

And yawning their heads off as they went, the three boys trailed up to bed, far too sleepy to notice Maud's silence and horror-struck face.