1. Your scheme is merely a castle in the air.

2. Your plan is merely a castle in the air.

3. Humanity spirit will a castle in the air if man's desire cannot be satisfied.

4. Nobody is safer than he who lives in a castle in the air.

5. Their plan is merely a castle in the air because it is simply impracticable.

6. What he is talking about is just a castle in the air.

7. Agricultural production is assisted is more a castle in the air.

8. Instead of working hard at her lessons, Mary spends her time building a castle in the air.

9. A neurotic is a man who wants to build a castle in the air.

10. Edgar Allan Poe is the universally acknowledged Father of Detective Stories. However, his ratiocinative tales are not a castle in the air, for we can trace their sources in western classic literature.

11. Grand as the plan sounds, it may prove to be a castle in the air.

12. It is out of the question for anyone to build a castle in the air.

12. try its best to collect and make good sentences.

13. People is used to a not actual conception the analogy is a castle in the air.

14. To strike an analogy, it is bypassing all procedures for the sale, revealed a castle in the air for both at the individual conditions of auction sale agreement.

15. Without action, a great aim will be nothing more than a castle in the air.

1. Instead of working hard at her lessons, Mary spends her time building a castle in the air.