水の泡

noun

(idiomatic) coming to nothing / (idiomatic) something that is short-lived / bubble on the surface of water

彼の計画はすべて水の泡になった。

All his plans came to nothing.

意味（1）

(idiomatic) coming to nothing

Korede subete mizu no awa tonatta.With this, everything comes to nothing.

意味（2）

(idiomatic) something that is short-lived

意味（3）

bubble on the surface of water