The only cloud in evidence that morning, to put it politely, crossed her face.
She shook his hand firmly, but then a cloud crossed her face.
A cloud without crossed the ray of sunlight and turned it.
If clouds crossed the sun, it'd be a moment or two before the light faded inside the circle.
A gray cloud crossed the sun, and the school yard went dull.
Like a cloud crossing the face of the sun.
A cloud had crossed the face of the sun and I was chilled in my wet clothes.
The black cloud had crossed the sky, a blob of dark against the stars.
Then a cloud crossed the sun, a shadow glided past, and she was gone.
A shadow darkened the arena as a cloud crossed the Sun, and then was gone.