to move your legs as if you were running but without moving forward.

To keep up your exercise program in winter, you can always run in place on a treadmill — or on the kitchen floor.

• in gear
• in general
• in glory
• in good company
• in good conscience
• in good faith
• in good graces
• in good hands
• in good time
• in hand
• in harness
• in heart of hearts
• in heaven's name
• in her infinite wisdom
• in her wisdom
• in high dudgeon
• in high gear
• in his infinite wisdom
• in his wisdom
• in hock
• in hopes of
• in hopes of doing something
• in hot pursuit
• in hot pursuit of
• in hot pursuit of someone