Leroc's face grew hard and keen, both signs that he was highly pleased.

My breath became labored, halting but my vision grew keen.

Quark looked strained, but then his face softened and his eyes grew keen.

His night-oriented sight had grown keen since the sapdrink, and he could read the sorrow on Illylle's face.

His eyes grew keen as he looked me up and down.

And when she came to stand beside him, the picture grew so keen in his thoughts that he actually pulled himself free of her.

After this the afternoon wore drearily on, and towards evening, there still being no signs of Flossie, our anxiety grew very keen.

My vision grows hard-edged and keen as the battle awen seizes me.

As they were healed of hurt and weariness of body the grief of their loss grew more keen.

She pauses, and her eyes grow keen.