1 | Their plan is merely a castle in the air because it is simply impracticable. | |
2 | His castle in the air crumbled. | |
3 | Your plan is merely a castle in the air. | |
4 | But the future has not yet arrived, despite Mr. Li' s best efforts to persuade a visitor otherwise. | |
5 | On one point she was resolved: there should be no more d'Urberville air-castles in the dreams and deeds of her new life. |