out of the blue
out of a clear blue sky

Then a thought from out of the blue hit me.

The other calls came out of the blue, as so many do.

The idea had just come to him, out of the blue.

My decision to move did not come out of the blue.

Sometimes things happen quickly, out of the blue, and by chance.

Not quite out of the blue, he became a movie director.

"Some people see these problems coming for years, but they hit us out of the blue."

He came to us less than two weeks ago, out of the blue.

But then out of the blue all my data came home to me.

Now suddenly out of the blue he had a hard hit.

I have quite a few people come up out of the blue and show their work.

Something like this could come out of the blue, at any time.

Why would she call like this out of the blue?

This year, I'm a lot better talking to people out of the blue.

Out of the blue, he said, I would like to make a test.

Some ideas for books simply come out of the blue.

Out of the blue, a man appeared at my side.

The job had been offered to her out of the blue.

Out of the blue, you want to sleep with me?

But these just arrived one day out of the blue.

His mother's death, three years later, also came out of the blue.

Then, out of the blue one day in 1997, he got a letter.

But the question seemed to come from out of the blue and surprised him.

Out of the blue and into the black, yes, that was it.