A sudden creative idea
突然の創造的なアイデア (Totsuzen no sōzō-teki na aidea)
"He had a flash of inspiration while working late at night."
"彼は夜遅くまで働いている間にインスピレーションのひらめきを感じた。" (Kare wa yoru osoku made hataraite iru aida ni **insupirēshon no hirameki** o kanjita.)
to argue against an idea for the sake of discussion
the economic factors affecting the supply and demand of good...
to increase the price of something
a secret enemy
to accept a mistake as a lesson for the future
to speak very positively about someone or something
