1. He that dallies with enemy gives him leave to kill him. 

2. He dallied with the idea of becoming an actor.

3. The bureaucrats dallied too long.

4. Don't dally along the way! We haven't got much time.

5. She often dallies with the thought of going to live on the Long Island.

6. Come on, don't dally.

7. Don't dally over your meal, we don't want to miss our train.

8. Come on. Don't dally!

9. Don't dally: we must move on.

10. She dallies over her work and rarely finishes it.

11. They've been dallying with the idea for years.

12. They dallied so long over whether to buy the car that it was sold to Jack.

12. Wish you will love and make progress everyday!

13. It's cruel the way she just dallies with his affections.

14. They've dallied with the idea of touring round the world.

15. Hurry up. We have already dallied away a part of the morning.

16. He had occasionally dallied with the idea of starting his own business, but he had never actually done anything about it.

17. Never dally with a girl whom you don't intend to marry.

18. He did not dally over the choice of a partner.

19. They dallied with the proposal for days, but finally refused it.

20. The pupils dallied about in the park and forgot about study.