The captain frowned, obviously trying to figure out the best way to say it.

Now the captain frowned and looked away from the sleeping woman.

The captain frowned, knowing there was little he could say in response to that.

The captain frowned, clearly uncertain about the proper response to this question.

Still there was no answer, and the captain frowned and tried again.

The captain frowned at the man's choice of words.

The captain frowned slightly and shifted a little in the sand.

The captain was frowning in thought as he rubbed his jaw.

The captain frowned and took a cheroot case from his desk.

The captain frowned as he reconstructed the briefing in his mind.