忘れたのか

did you forget?

→ 忘れる
phrase Rare #39,408
did you forget? A direct, often blunt way to ask if someone forgot something.
JA: 約束を忘れたのか?
EN: Did you forget the promise?

忘れたのか

Did you forget?

— ラ・ラ・ランド (2016)

顔も忘れたのか?

Have you forgotten my face too?

— オープン・ユア・アイズ (1997)

忘れたのか?

Did you forget?

— ドライヴ (2011)