to fulfill what was promised or expected
約束したことや期待したことを果たす (yakusoku shita koto ya kitai shita koto o hatasu)
"He lived up to his promise and completed the project."
"彼は約束を守り、プロジェクトを完了しました。" (Kare wa **yakusoku o mamori**, purojekuto o kanryou shimashita.)
to work hard on something for a long period
to distinguish valuable things from worthless ones
to make people recognize your authority
extremely accurate and consistent performance
to examine something in greater detail
to have access to vast information easily, especially online