突とっ貫かん作さ業ぎょう

noun

rush work; crash program; working at top speed

Refers to intensive, high-speed work done to meet a tight deadline, often implying a concentrated effort over a short period.

• 締しめ切きりに間まに合あわせるため、突とっ貫かん作さ業ぎょうで仕し上あげた。

  We finished it with a rush job to meet the deadline.

• このプロジェクトは突とっ貫かん作さ業ぎょうで進すすめられた。

  This project was carried out as a crash program.