Surprise, astonishment, or wonder — the feeling or reaction to something unexpected.
そのニュースを聞いて皆が驚きの声を上げた。
When they heard the news, everyone cried out in surprise.
値段の安さに驚きました。
I was surprised by how cheap the price was.
彼の回復の早さには驚きが隠せない。
One can't hide the astonishment at how quickly he recovered.