どこへやら

Meanings

nowhere to be seen; disappeared; vanished

usually written using kana alone

Used when something or someone that was previously present or known is now gone or cannot be found; often carries a sense of sudden or mysterious disappearance.

さっきまであった財さい布ふがどこへやら消きえてしまった。
The wallet that was here just a moment ago has disappeared into thin air.
彼かれの自じ信しんはどこへやら、今いまはすっかり落おち込こんでいる。
His confidence is nowhere to be seen; now he's completely down.