要よう事じ

noun

important matter; necessary thing; requirement

Refers to something that must be done or attended to; often used in formal or business contexts.

• 明日あしたは要よう事じがあるので、会かい議ぎに出しゅっ席せきできません。

  I have an important matter tomorrow, so I cannot attend the meeting.

• 彼かれは要よう事じで急きゅうに帰き国こくした。

  He suddenly returned to his country on urgent business.