She looked up at him sharply for a moment, opened her lips to ask a question, and then thought better of it.

He looked up sharply, because the tone of her voice had been so firm.

He looked up sharply, saw real pain in her face.

Then I felt her whole body tense as she looked up sharply.

Something in the tone of his voice made the girl look up sharply.

She looked up sharply at the dark blank that was his face.

His voice firm again, Science looked up sharply to provide a superior analysis.

He looked up sharply, then took his feet down from the desk.

One of the girls, eyes red with crying, looked up sharply.

There was no fear or surprise on her face as he looked up sharply.