The Watchers left a warning, a plain and dreadful warning.

Johnson should have stayed remembered like that - as a joke but also a dreadful warning.

No need to issue the usual dreadful warnings to you, I suppose.

The ground trembled in a dreadful warning.

A man writing a dreadful warning.

He's used in the training courses as a dreadful warning.

Not someone or some thing using his poor little body to give us a dreadful warning.

The green eyes seemed to grow and protrude as she hissed her instructions, her dreadful warning.

Across the Solar System, to Earth, a dreadful warning from her oppressed child.

I have seen and experienced too many dreadful warnings, even in comparatively model Switzerland.