夢ゆめの夢ゆめ

expression, noun

dream within a dream; wildest dream; pie in the sky

Used for something so unlikely or ideal that it feels like a dream inside a dream. Often appears in phrases like 夢の夢だ or 夢の夢に終わる.

• 世せ界かい一いっ周しゅう旅りょ行こうなんて、私わたしにとっては夢ゆめの夢ゆめだ。

  A trip around the world is just a dream within a dream for me.

• その計けい画かくは結けっ局きょく、夢ゆめの夢ゆめに終おわった。

  That plan ended up being nothing more than a pie in the sky.