The only sure way is to keep them secluded, permanently locked down in their cells.

There are, to be exact, 19 drawers, one of them permanently locked.

However, only the center differential could be permanently locked, and only in 4Lo.

Each character is permanently locked into a specific instrument.

Mel Simpson, the other half of the production brains, is permanently locked in the studio.

Norman is now locked into his mother's identity permanently.

In January 2007, the stadium was permanently locked into its football configuration, because of cost and maintenance issues.

A character is permanently locked to the chosen mode.

A ten-inch black-and-white with its volume control permanently locked at 2.

In the first place, that sentry gate should be kept permanently locked.