Instead her eyes narrowed and a dark frown came over her face.

Sam turned and looked at his friend, a dark frown on his face.

A dark frown descended over Cara as she folded her arms.

Old John watched him with a dark frown, his eyes moving slowly, appraising, measuring.

They might frown, but it would not be a very dark frown.

Then his face clouded into a dark frown and his eyes filled with a look she had never seen there before.

And with a dark frown he warned, "That debt will wreck the economy in the end."

"Just on that account we must withdraw her from him," said Gardiner, with a dark frown.

He guarded it with a dark frown and not without grinding of the teeth.

Hugh straightened from bending over the map, regarded her with a dark frown.