1. Don’t trifle away your time.
2. They have trifled away all their money.
3. They have trifled away the whole day.
4. Don't trifle away your time on curio hunting.
5. Don't trifle away your time on such useless things.
6. Don't trifle away your time, your money.
7. Do not trifle away your time on such useless things.