Going out alone in the dark on a sudden hunch.

He had gained a sudden hunch that someone was standing there.

Then he stopped on a sudden hunch and looked back.

On a sudden hunch, he went back outside to look into the cage.

Following a sudden hunch, Tom decided to call upon the suspected scientist.

Then he decided to gamble on this sudden hunch of his.

On a sudden hunch, she called up Tang's personal records.

With a sudden hunch he flipped on a heat detection screen.

There was no way to prove her sudden hunch but to act.

Steve was ready to play a sudden hunch that had just occurred to him.