time on (your) hands

a period when you have nothing you must do.

These kids have too much time on their hands, and they get into trouble.

For the traveler with time on his hands, try a boat ride on the river that surrounds the city.

• put someone in the picture
• put someone in the shade
• put someone off stride
• put someone off their stride
• put someone off the scent
• put someone on a collision course
• put someone on a pedestal
• put someone on edge
• put someone on the map
• put someone on the right track
• put someone on the shelf
• put someone on the spot
• put someone out of action
• put someone out of its misery
• put someone out of mind
• put someone out of misery
• put someone out of their misery
• put someone out of your mind
• put someone out to pasture
• put someone over knee
• put someone over the top
• put someone over your knee
• put someone's back up
• put someone's mind at ease
• put someone's mind at rest