FAQs About the word castles in the air

空中楼阁

an impracticable project

空中楼阁,梦,幻想,幻想,想法,白日梦,嵌合体,自负,白日梦,妄想

事实,现实,实际情况

castles in Spain => 空中楼阁, castles => 城堡, casting out => 驱逐, casting around (for) => 寻觅(用于), casting about (for) => 寻找,