Richard frowned deeply at her, but she didn't look over to see it.

I watched his face as he listened, then frowned deeply.

He sat alone in his cabin after she left, frowning deeply.

She frowned deeply, chewing on the end of her pencil.

He frowned deeply, staring off into some imagined distance again.

He frowned deeply, but he stopped short of saying why.

Pike frowned deeply as he reflected on the morning's events.

I frowned deeply and felt anger rising in my chest.

The doctor frowned deeply in thought, but she didn't look angry.

It was then that she saw the little boy standing a few yards away, frowning deeply as he stared at her.