YOU SAID:
You can't know what you don't know until you know that you didn't know it.
INTO JAPANESE
あなたがそれを知らなかったことを知るまで、あなたはあなたが知らないことを知ることができません。
BACK INTO ENGLISH
You can't know what you don't know until you know that you didn't know it.
INTO JAPANESE
あなたがそれを知らなかったことを知るまで、あなたはあなたが知らないことを知ることができません。
BACK INTO ENGLISH
You can't know what you don't know until you know that you didn't know it.
You've done this before, haven't you.