"flight of fancy" in Chinese (Simplified)
异想天开幻想
Definition
“Flight of fancy” 指的是充满想象但不现实的想法或念头，常指富有创意但实现概率很小的念头。
Usage Notes (Chinese (Simplified))
属于成语，语气较中性或正式。常带有轻微批评意味，指某想法虽有创意但不现实。常与“白日梦”有相似用法。
Examples
His plan to build a city on the moon is just a flight of fancy.
他想在月球上建一座城市，这只是一个**异想天开**。
That story was just a flight of fancy.
那个故事只是一个**幻想**。
Don't take her idea seriously; it's just a flight of fancy.
别把她的想法当真，那只是个**异想天开**。
His novel is filled with flights of fancy and magical creatures.
他的小说充满了**异想天开**和魔法生物。
It was just a flight of fancy, but it inspired a real invention.
那本来只是一个**幻想**，但却激发了真实的发明。
Sometimes, letting your mind take a flight of fancy can lead to great ideas.
有时，让思维**异想天开**反而能带来好主意。