a big and sudden improvement
大きく突然の改善 (ōkiku totsuzen no kaizen)
"This discovery is a quantum leap in medical research."
"この発見は医学研究における量子飛躍です。" (kono hakken wa igaku kenkyū ni okeru **ryōshi hikyaku** desu.)
to persuade someone to do something
to cause a problem that stops progress
To change direction or strategy to adapt to the market.
to fail spectacularly
To speak honestly and sincerely.
to take a short break
