She caught him looking, and her dark eyes widened, her heavy eyebrows lowering.

Tev's eyebrows lowered until he almost couldn't see the Tellarite's coal black eyes.

His eyebrows lowered, and something in his jaw set.

Greg's eyebrows lowered, and his thin mouth warped into a frown.

Burke stopped pacing, his eyebrows lowered as if he were mulling over a mystery.

His eyebrows lowered, and she went on quickly.

His eyebrows lowered into an expression Eve interpreted as irritation rather than sympathy or shock.

With his face drawn and his eyebrows lowered, he was all business.

This time Nahrmahn's eyebrows lowered suddenly, and he frowned.

Hawkins's eyebrows lowered momentarily as if he didn't understand the question, then shot back up.