dark horse

At least one dark horse had what you might call friends in high places.

He will thus remain a very dark horse for some time.

But once again, at this dark horse of a restaurant, you would be wrong.

Another man was with him, leading a tall, dark horse.

"And you intend me to come along as a sort of dark horse."

I walked at the head of the dark horse, guiding the great king's body to its rest.

Many viewers, myself included, thought the guy was going to be this year's dark horse.

In 1994, he was a thought by some a dark horse to be a favorite for the championship.

A man on a dark horse rode through the pass.

This time he was lucky, and bought a big dark horse.