build castles in the air
成語所屬單字castle
build castles in the air — 慣用語
1. to have plans, dreams, or hopes that are unlikely to become real
1.慣用語
釋義
空想；白日夢
to have plans, dreams, or hopes that are unlikely to become real
例句
Ravi spent hours imagining he was a famous singer, but his father told him not to build castles in the air.
Instead of building castles in the air, Yasmin sat down and wrote a real plan for her small business.