to start growing or improving rapidly
急速に成長したり改善したりすることを始める (kyūsokuni seichō shitari kaizen shitari suru koto o hajimeru)
"After years of reform, the country's economy finally took off economically."
"何年もの改革の後、国の経済はついに経済的に飛躍した。" (nannenmono kaikaku no ato, kuni no keizai wa tsuini **keizaiteki ni hiyaku shita**.)
to clarify or resolve a misunderstanding
to play music very loudly
to suddenly start burning
to keep emotions hidden instead of expressing them
to switch operations gradually to another system
to break into pieces; to fail completely