気きがつくと

expression

before I knew it; next thing you know; when I came to; all of a sudden

Fixed expression used to describe a sudden realization or an event that happened without the speaker noticing. Often used at the beginning of a sentence to set up a surprising or unexpected situation.

• 気きがつくと、外そとは真まっ暗くらになっていた。

  Before I knew it, it had become pitch dark outside.

• 気きがつくと、彼かれは部屋へやに一人ひとりで立たっていた。

  When he came to, he was standing alone in the room.