The strain was locked in a vault deep below the facility.

He had never become accustomed to the knowledge that he was locked in an iron box deep under the cold oceanic waters, and he hated the stink of diesel and oil and the reek of the other men trapped down here with him.

Dice rolls always have a high amount of drama when you're locked deep in a game of Dungeons and Dragons or Pathfinder, but a die that lights up when you roll a natural 20?

Someone had struck him upon the head, and he awoke to find himself locked in an iron cage deep in the bowels of this ship.

You see in the book, Justine was his prisoner and wanted him to die, but she was locked deep in a dungeon with no way out without him.

The secrets were locked deep in the cell beyond researchers' reach.

Although he was locked deep in a keylock, Quinn refused to submit against Dan Molina, ultimately forcing the ref to end the fight in favor of Molina.

"He had a secret locked deep, so deep I could scarcely touch it - something to do with clairvoyance."

Uzbekistan is a country locked deep in the Soviet past, where cars are constantly stopped and searched for no reason, and a cautious pedestrian's eyes are always focused on the ground.

Oh, there was water all right, but it was locked deep below where lake-sized aquifers had been sealed into bubbles of volcanic rock.