大おお仕し事ごと

noun

big job; great task; major undertaking

Refers to a task or project that is large in scale, importance, or difficulty. Often implies a significant commitment of time and effort.

• 家いえのリフォームは大おお仕し事ごとだ。

  Renovating the house is a big job.

• 彼かれは大おお仕し事ごとを任まかされて緊きん張ちょうしている。

  He's nervous because he's been entrusted with a major task.