彼の失踪は今も謎のままだ。
His disappearance remains a mystery to this day.
家族は警察に娘の失踪を届け出た。
The family reported their daughter's disappearance to the police.
社長の突然の失踪で会社は大混乱に陥った。
The company was thrown into chaos by the president's sudden disappearance.
彼は借金を残して突然失踪した。
He suddenly disappeared, leaving his debts behind.
失踪した兄から十年ぶりに手紙が届いた。
A letter arrived from my brother, who had gone missing ten years earlier.
彼女がなぜ失踪したのか、誰にもわからない。
No one knows why she vanished.