火か急きゅう

noun, noun which may take the genitive case particle 'no', na-adjective

urgency; emergency; exigency

A somewhat formal or literary term for a pressing situation requiring immediate action. Often used in official or written contexts.

• 火か急きゅうの用よう事じで、すぐに帰かえらなければならなかった。

  I had to go home immediately due to an urgent matter.

• この問もん題だいは火か急きゅうを要ようする。

  This problem requires urgent attention.