pipe dream

英 [ˈpaɪp driːm]

美 [ˈpaɪp driːm]

n. 脱离实际的愿望; 行不通的计划; 妄想

牛津词典

noun

N-COUNT 白日梦；不切实际的空想
Apipe dreamis a hope or plan that you have which you know will never really happen.
1. You could waste your whole life on a pipe-dream.
  白日梦会荒废你一生。

noun

a fantastic but vain hope (from fantasies induced by the opium pipe)
1. I have this pipe dream about being emperor of the universe
Synonym:dream

Peter's idea of becoming a movie star is only a pipe dream.
彼特想成为电影明星的愿望只是一个白日梦。
Saying that you want something different without thinking and acting differently ensures that you continue to have your pipe dream.
你总是在念叨想要不同的生活，却不想也不做不同的事，这会保证你永远做的是白日梦。
Moving abroad? It's just a pipe dream at the moment.
移居国外？目前看来是白日梦。
My friend Johnny has this pipe dream about becoming a famous movie star.
我的朋友约翰尼一直在白日做梦想成为一个有名的电影明星。
You had to put it all on the line for some Vegas pipe dream.
你为了圆拉斯维加斯的梦，把什么都压上了。
I have this pipe dream about being emperor of the universe.
一些现代派绘画具有梦幻色彩。
As national reform efforts stall, international harmonisation remains a pipe dream.
随着每个国家的改革努力陷入停滞，国际协同仍然是一个白日梦。
On the face of it, the idea of a pan-Asean exchange looks like a pipe dream.
乍看起来，泛东盟交易所似乎是个白日梦。
If not, the MDGs and poverty reduction are a pipe dream.
否则，千年发展目标和减贫将是一场梦幻。
The idea that they could be freed from the clutches of national governments was a pipe dream.
有人认为它们能摆脱民族国家政府的控制，这种想法就是白日做梦。