No such thing as spare time, no such thing as free time, no such thing as down time. All you got is life time. Go.
Shooting guns is not something I would do in my spare time.
We would like to carry out 100 percent, or maybe more, of our scientific program; I would like to devote some of my spare time toward extra scientific work.
In my spare time, I smoke acres of weed.
And so, I will be probably, since I am not involved in all the activity, I will have some spare time to devote to document all this busy part of the flight.
I don't have spare time.
I work 12 to 14 hours a day, and in the spare time I do sport.
Spend 70% of your spare time doing things close to home and the other 30% doing work at the global and national level.
I started writing stories in my spare time.
I don't own a jet, but I rent jets in my spare time. That's the quickest and most comfortable.