dive into the water bending the body at the waist at a right angle, like a jackknife
- And why was it, he asked again, that anything remotely secret whipped around the entire company before you could say Jack Knife?
- Jack was assigned to the assembly shop of the factory.
- I am longing to see my friend Jack again.
- He has no intention to jack up the plan.
- The fire cracker went off and scared Jack's dog.
- She stabbed him in the leg with a kitchen knife.