初耳(はつみみ)something heard for the first time, hearing something for the first time, heard for the first time

その話(はなし)は初耳(はつみみ)だったのでびっくりしました。

I was surprised because it was the first time I had heard that story. {something heard for the first time, hearing something for the first time}

僕(ぼく)と彼(かれ)が同(おな)じ故郷(こきょう)の生(う)まれであることは初耳(はつみみ)でした。

It was the first time I heard that he and I were born in the same hometown. {something heard for the first time, hearing something for the first time}

そのことは今(いま)まで知(し)りませんでした。私(わたし)にとって初耳(はつみみ)です！

I didn't know about that until now. It's the first time I'm hearing about it! {something heard for the first time, hearing something for the first time}

バスガイドのお姉(ねえ)さんは私(わたし)にとって初耳(はつみみ)の知識(ちしき)を沢山(たくさん)教(おし)えてくれました。

The tour guide lady taught me a lot of knowledge that I was hearing for the first time. {something heard for the first time, hearing something for the first time}

社員(しゃいん)の会話(かいわ)：「伊藤(いとう)さんが今月(こんげつ)末(まつ)で退職(たいしょく)するって！？初耳(はつみみ)なんだけど！」

Employee conversation: "Ito-san is retiring at the end of this month!? This is the first time I'm hearing about it!" {something heard for the first time, hearing something for the first time}