不ふ発はつ

noun

misfire; failure to fire

Used for guns, explosives, or engines that fail to ignite or fire. Also used metaphorically for plans or efforts that fail to materialize.

• 銃じゅうが不ふ発はつに終おわった。

  The gun misfired.

• 計けい画かくは不ふ発はつに終おわった。

  The plan fizzled out.