focused
🇺🇸
/ˈfəʊkəst/
🇬🇧
/ˈfəʊkəst/
Having a clear goal and concentrating on it without getting distracted.
He was so focused on his work that he didn't notice the time passing.
彼は自分の仕事にそんなに集中していたので、時間が過ぎていることに気づかなかった。