He figures that this is a big stroke of luck.

All I know is that it was our biggest stroke of luck this season.

"It was the biggest stroke of good fortune that has come to our House for a long time," said the Duke.

That's a big stroke of luck because I know none of that is promised.

With that big slow stroke, they should live forever.

A big stroke, followed by three small ones, wiped out her savings.

"If it's true, you've had a big stroke of luck, young man."

The note was handwritten, big strokes, black ballpoint: The boy will be all right for another eight hours.

He had a big stroke (bleeding in the brain).

And after four years he had an even bigger stroke of luck.