いつの間にか

まにか

before one knows, before one becomes aware of, unnoticed, unawares

JLPT N2

Details

Part of Speech:
Adverb
Romaji:
manika

Example Sentences

いつの間にか、部屋が片付いていた。

Before I knew it, the room was tidy.

itsuno mana ka jikan ga sugiteita

Before I knew it, time had passed.