YOU SAID:
I have no idea how this happened!
INTO JAPANESE
私はこれがどのように起こったのか分かりません!
BACK INTO ENGLISH
I don't know how this happened!
INTO JAPANESE
こんな経験が なかったから
BACK INTO ENGLISH
I still don't know how this happened.
INTO JAPANESE
こんな経験が なかったから
BACK INTO ENGLISH
I still don't know how this happened.
You've done this before, haven't you.