
relationship; relation; terms (good, friendly, etc.)
二人は幼なじみで気心の知れた間柄だ。
The two are childhood friends who know each other well.
上司と部下の間柄でも互いに敬意を持つべきだ。
Even in a boss-subordinate relationship, mutual respect is important.
彼らは仕事を通じて知り合った間柄だ。
They are in a relationship that began through work.