after a long time; in the end
長い時間が経った後; 最後には (nagai jikan ga tatta ato; saigo ni wa)
"Saving money now will help you in the long run."
"今お金を節約することは最終的にあなたを助けるでしょう。" (ima okane wo setsuyaku suru koto wa ronguran de anata wo tasukeru deshou)
a sudden and brilliant idea
a sudden and significant progress
to achieve more than before, to improve
to teach someone how to do a job or task
a controversial issue that no one wants to deal with
to use one's authority or influence in an aggressive way