1.His castle in the air crumbled.
他的空中楼阁成了泡影。收藏指正
2.This practice opens the door to castle-in-the-air specifications.
这种做法导致规范成为空中城堡。收藏指正
3.Your scheme is merely a castle in the air.
你的计划只不过是空中楼阁。收藏指正
4.Your plan is merely a castle in the air.
你的计划只不过是口中楼阁而已。收藏指正
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。收藏指正
6.Spend not all your time in building castle in the air, or house on the sand.
不可想入非非。收藏指正
7.What he is talking about is just a castle in the air.
他所谈论的一切,只不过是空中楼阁。收藏指正
8.Their plan is merely a castle in the air because it is simply impracticable.
他们的计划不过是空中楼阁而已，因为它根本行不通。收藏指正
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。收藏指正
10.Castle in the air are the only property you can own without the intervention of lawyers, unfortunately, however, there are no title deeds to them.
空中楼阁是唯一不受律师干预的产业，可惜空中楼阁是没有产权证。收藏指正
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