Other machinery shifted up and down, back and forth, in an elaborate dance intended to look vaguely menacing.

Nonchalant as it seemed, Crayne considered there was something vaguely menacing about the prowling manner in which they were moving.

The illustrations are accomplished - beautiful and sometimes vaguely menacing.

It looked like another bit of surgical apparatus, mysterious and, therefore, vaguely menacing.

The room's dancing flames, gargantuan pots and spiraling smoke make it vaguely menacing.

There's a reason to be hesitant about that which is vaguely menacing.

"The girl has been located," said the slight form, his whispered voice nonetheless strong and vaguely menacing.

Just a black bulk blocking the stars, vaguely menacing.

The old hockey player was still there, broad, virile, vaguely menacing, willing to take blows and return them.

Instead they were vaguely menacing; Maureen was at home.