回かい復ふく不ふ能のう

na-adjective, noun which may take the genitive case particle 'no'

unrecoverable; irreversible; irreparable

Describes a state that cannot be restored, reversed, or repaired. Often used in technical or formal contexts such as data loss, system failure, or permanent damage.

• ハードディスクが物ぶつ理り的てきに破は損そんしたため、データは回かい復ふく不ふ能のうです。

  The data is unrecoverable because the hard disk was physically damaged.