to prevent from increasing or growing
増加または成長を防ぐ (zōka matawa seichō o fusegu)
"We need to keep down our expenses this month."
"今月はkeep downする必要があります。" (Kongetsu wa keep down suru hitsuyō ga arimasu.)
to update the main ideas you plan to discuss
to restart continuously due to a system error
to start working hard on something seriously
to start official or friendly relations with another country
to return something; to remind someone of the past
to manage or function well in a particular situation or cult...