YOU SAID:
I accidentally had an accidental accident.
INTO JAPANESE
私は偶然、事故による事故を起こしました。
BACK INTO ENGLISH
I accidentally caused an accident due to an accident.
INTO JAPANESE
私は誤って事故事故を引き起こした。
BACK INTO ENGLISH
I accidentally caused the accident.
INTO JAPANESE
私は誤って事故を起こした。
BACK INTO ENGLISH
I accidentally caused the accident.
You've done this before, haven't you.