air castle

n.absentminded dreaming while awake

同义词：reveriereverydaydreamdaydreamingoneirismcastle in the aircastle in Spain

1. He spent years building air castles instead of focusing on his actual career.
   他花了数年时间在构建空中楼阁，而不是专注于自己的实际职业。
2. While it's nice to dream, it's important not to get lost in air castles and forget about reality.
   虽然做梦很好，但重要的是不要沉迷于空中楼阁而忘记现实。
3. Her plans to travel the world without saving any money were just air castles.
   她计划在不攒钱的情况下环游世界，这简直是空中楼阁。