clear sky

He looked up at the clear night sky for a moment.

Then, out of a clear sky had come the changed plans.

Like the bush, the river takes its color from the clear sky.

Not often you get such a clear sky in the city.

Out of a clear sky, or so it seemed to them.

Right out of a clear blue sky he said it.

She opened her eyes and looked at the clear sky.

It had not, after all, come down on us from a clear sky.

The only good thing about that was the clear sky it brought.

So what I said didn't come to him out of a completely clear blue sky.