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.

いつの間にか、庭の桜の木が大きく成長していた。

Before I knew it, the cherry tree in the garden had grown large.