to agree or have the same understanding about something
何かについて同意するか、同じ理解を持つこと (nanika ni tsuite dōi suru ka, onaji rikai o motsu koto)
"Before we continue, let’s make sure we’re on the same page."
"続ける前に、私たちが同じページにいることを確認してください。" (Tsudzukeru mae ni, watashitachi ga **onaji pēji ni iru koto** o kakunin shite kudasai.)
to be completely absorbed in what you’re doing
plans are uncertain or not decided yet
to reach the highest point of success
to describe something in an overly optimistic way
something that is expected to happen soon
an unidentified but informed source