The trailer was jack-knifing on the icy curve, forcing us to brake suddenly.

The delivery truck jack-knifed on the icy ramp, blocking all lanes.

When the truck hits the patch of ice, the trailer jack-knifes and blocks the highway.

During the hike, he discovered three antique jack-knives hidden under the floorboard.

At the final trick, she revealed the jack of spades and won the hand.

When Laura drew the jack of diamonds, everyone at the table fell silent.

At the end of the game, he triumphantly flipped the jack of clubs onto the table.

Many brands culture-jack grassroots trends to boost sales.

The old whip-jack swaggered into the harbor tavern, spinning tales of monstrous waves and distant ports to earn a few coins.

When the tire went flat, he reached into the trunk for the bumper jack.