旧きゅう情じょうを温あたためる

expression, ichidan verb

renew an old friendship; rekindle an old relationship

A set phrase used when people reconnect and revive a past friendship or romantic relationship. Often implies a warm, nostalgic reconnection.

• 同どう窓そう会かいで旧きゅう友ゆうと旧きゅう情じょうを温あたためた。

  At the class reunion, I rekindled an old friendship with a former classmate.

• 久ひさしぶりに会あって、二人ふたりは旧きゅう情じょうを温あたためるように話はなし込こんだ。

  Meeting after a long time, the two talked deeply as if renewing their old bond.