深ふかい関かん係けい

expression, noun

close relationship; deep connection; deep involvement

Used for personal bonds, business ties, or deep involvement in an activity. Often implies a relationship beyond the superficial.

• 彼かれとは長なが年ねんの深ふかい関かん係けいがある。

  I have a long-standing close relationship with him.

• その事じ件けんに彼かれは深ふかい関かん係けいを持もっている。

  He is deeply involved in that incident.