YOU SAID:
I started this with no idea
INTO JAPANESE
私は何も考えずにこれを始めました
BACK INTO ENGLISH
I started this without thinking
INTO JAPANESE
考えずに始めました
BACK INTO ENGLISH
I started without thinking
INTO JAPANESE
思わず始めた
BACK INTO ENGLISH
I started unintentionally
INTO JAPANESE
思わず始めた
BACK INTO ENGLISH
I started unintentionally
Come on, you can do better than that.