ciemna chmura

They set out under dark clouds of more than one kind.

He looked up from them a moment later, his face a dark cloud.

There is something to be said for the dark cloud, however.

There's a very dark cloud low to the ground off to the south.

The sky held dark clouds to the east, but not many were close.

Already over the next range they could see a mass of dark clouds.

But the dark clouds were coming from the sides now.

The sky might be full of dark clouds, but I was still feeling good.

"I keep a dark cloud over my head at all times," he once said.

A line of dark clouds was building along the horizon.