| 词汇 | castle in the air |
| 释义 | castle in the air also castle in Spain : a dream, plan, or idea that can never become real空中楼阁；白日梦 — usually plural通常用复数 He's just building castles in the air if he thinks he can open a restaurant without any money.如果他认为没有任何资金也能开餐馆，那他只是在做白日梦。 castle |
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