| 1. | Your plan is merely a castle in the air .
你的计划不过是空中楼阁而已。 |
| 2. | Theoreticians are busy building and refining the castles in the air of the model world .
理论家们忙于建立和改善模型世界中的空中楼阁。 |
| 3. | Castles in the air cost a vast deal to keep up
空中楼阁，要有一大笔费用来维持。 |
| 4. | Your plan is merely a castle in the air
你的计划只不过是口中楼阁而已。 |
| 5. | Nobody is safer than he who lives in a castle in the air
生活在空气城堡中的人是最安全的。 |
| 6. | He is the builder of castles in the air
他是一位不切实际的人。 |
| 7. | Your mind was on something not so practical castles in the air
你脑子里想的都是些不切合实际的事情 |
| 8. | You ' d better not build your hopes building upon castles in the air
你最好不要把希望寄托在幻想中。 |
| 9. | He returned to his lodging with his head full of castle in the air
他脑袋里装载着空中楼阁回到了寄宿处。 |
| 10. | He returned to his lodgings with his head full of castles in the air
他脑袋里满载着空中楼阁回到了寄宿处。 |
