Meanings of hard carapace in English

Under its hard carapace of Job's Mask, Sister's face rippled with pain.

The snow was deep here, blown into drifts with a hard carapace of crust.

Thus the Invincibles charged and began to strike, but almost as often as a lance went home, it exploded harmlessly against a reaver's hard carapace.

Studi and Bale play gently off each other's hard carapaces to satisfying effect.