Is it the skyscraper of the future, or just a pie-in-the-sky idea?(這是未來的摩天大樓，還是一個異想天開的想法？)

Their plans to set up their own business are just pie in the sky.(他們創辦自己公司的計劃只不過是空想罷了。)

Work and pray, live on hay, you'll get PIE IN THE SKY when you die!(勞動吧！祈禱吧！靠干草過活吧！死后你就會得到天國的餡餅！)

This talk of moving to Australia is all just pie in the sky.(移居澳大利亞之說純屬異想天開。)

The true regeneration of devastated Docklands seemed like pie in the sky.(遭毀壞碼頭區的真正重建看起來希望渺茫。)

Sometimes you don't need a fancy, pie-in-the-sky sort of idea.(有時，你并不需要有奢侈的愿望，或是天馬行空的想象。)

Traditional modular and card-cage test systems have a proven record of precision and performance, while si systems are still viewed as "pie-in-the-sky" technology by many market participants.(事實證明，傳統模塊化、卡箱測試系統的精度和性能已經被廣泛證明，相比之下合成儀器技術仍然被眾多企業看作是一種可望不可及的陌生技術。)

You want to do? What are you doing? If light don't work that just pie in the sky.(你想干什么？你在干什么？如果光想不干，那只是空想。)

To outlaw deficits is a pie in the sky.(宣告赤字非法是空想。)

So much for fair values being academic pie in the sky.(公允價值不應該被當成天空中的學術餡餅。)