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- 1. on probation
- 2. on one's own responsibility
- 3. on no account
- 4. on location
- 5. on inquiry
- 6. on ice
- 7. on hand
- 8. on demand
- 9. on and on
- 10. on and off
- 11. on account of
- 12. on account
- 13. on a shoestring
- 14. on a roll
- 15. on a par with
- 16. on a large scale
- 17. on a full stomach
- 18. on a diet
- 19. on a budget
- 20. on a bowline



