突貫作業 (とっかんさぎょう) Japanese meaning | KotomoraMeanings
1
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.
貫
作
業
で
進
め
られ
た
。
This project was carried out as a crash program.