into thin air
US /ˈɪntu θɪn ɛr/
UK /ˈɪntu θɪn ɛr/

1.
begitu saja, lenyap tanpa jejak
disappearing completely and mysteriously
:
•
The magician made the rabbit vanish into thin air.
Pesulap membuat kelinci menghilang begitu saja.
•
All our plans for the trip vanished into thin air when the airline cancelled our flight.
Semua rencana perjalanan kami lenyap begitu saja ketika maskapai membatalkan penerbangan kami.