かぶん【寡聞】
寡聞にしてその件は存じませんI am too inexperienced to know anything about it.
かぶん【過分】
過分の 〔過度の〕excessive;〔不相応な〕undeserved;〔惜しみない〕generous過分の謝礼をいただき恐縮ですIt's very kind of you to give me...
かぶんすう【仮分数】
an improper fraction
かぶんの【過分の】
〔過度の〕excessive;〔不相応な〕undeserved;〔惜しみない〕generous過分の謝礼をいただき恐縮ですIt's very kind of you to give me su...