We have no meanings for "sudden hardening" in our records yet.
1 But Piers, with a sudden hardening of the jaw, stooped over Gracie.
2 The lady gave a gesture of horror, and a sudden hardening showed itself in mouth and eye.
3 But he had not forgotten it, as she could see by the sudden hardening of his face.
4 His temper displayed itself only in their sudden hardening into the hue of steel; content and happiness made them blue.
5 "Not a dissenter!" he exclaimed, with a sudden hardening of his genial face.
6 "Not too close, now," warned the intruder, with a sudden hardening of his voice.
7 "No," she muttered in an outraged breath, but Viper didn't miss the sudden hardening of her nipples.
8 "I guess you're right," she said, finally, with a sudden hardening of voice that made Nellie Whitehead look up quickly.
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