プログレッシブ和英中辞典(第4版)の解説
こんこんと【懇懇と】
〔熱心に〕earnestly;〔真剣に〕seriously;〔くり返し〕repeatedly
彼女は息子の過ちを懇々とさとした
She repeatedly admonished her son for his misbehavior.
自分が悪いのだと私は彼に懇々と言いきかせた
I tried earnestly to make him see that he was to blame./I talked to him over and over again to convince him that he was wrong.