The first guess is that we did run into some plain good luck.

Injuries and plain bad luck have struck her at every turn.

Just plain dumb luck with a pistol at that range.

The game is a good mix of strategic thinking, fast action and plain dumb luck.

"If we find anything, it will not be because of my skills or expertise, but just plain luck."

James and I finding her, that was just plain bad luck for them.

He seems to have plain bad luck in many instances in his life.

Having so many problems in such a short time span, it said, was just plain bad luck.

With careful choosing or just plain luck, excellent meals are possible.

These things just don't happen out of plain bad luck.