to earn a large profit quickly
迅速に大きな利益を得る (jinsoku ni ookina rieki o eru)
"They made a killing with their new tech product."
"彼らは新しい技術製品で大儲けしました。" (Karera wa atarashii gijutsu seihin de omouke shimashita)
to reinvest profits into the same business
to schedule or confirm something in writing
to have a complaint or disagreement with someone
to assist someone in a time of need
a person who knows a lot about many subjects
to work extremely hard
