castle in the air
短语n. 空中楼阁，白日梦，想入非非的计划
发音
UK
/ˈkɑːs(ə)l ɪn ðiː ˈɛə/
AU
US
/ˈkæs(ə)l ɪn ði ˈɛəɹ/
词形变化
castles in the air
复数
castles in the air
释义与例句
n.
-
1.
A desire, idea, or plan that is unlikely to ever be realized; a visionary project or scheme; a daydream, an idle fancy, a near impossibility.
空中楼阁
习语