From here on in, any food we might find would be sheer luck.

Only through sheer luck had he not been taken earlier.

How I got my first real fight was a matter of sheer luck.

Sheer luck also may have something to do with it.

By sheer bad luck he would trip over them no matter what they did.

It was sheer luck to get the information so fast.

I'd have never known who they were, if it wasn't for a piece of sheer luck.

This is sheer luck to find a solution so easily.

Only sheer good luck, it seemed to him, had thrown them off his track.

It is sheer luck that you wound up beautiful as well.