パーになる

expression, godan verb (-ru)

come to nothing; go down the drain; go up in smoke

Colloquial expression meaning that plans, efforts, or money end up wasted or fruitless. Often used when something fails completely or becomes pointless.

See also: パー

• せっかくの計けい画かくが雨あめでパーになった。

  Our carefully made plans came to nothing because of the rain.

• 投とう資ししたお金かねが全ぜん部ぶパーになった。

  All the money I invested went down the drain.