YOU SAID:
Our doubts are traitors and make us lose the good we often might win by fearing to attempt.
INTO JAPANESE
私達の疑いは裏切り者、私たちはしばしばを試みる恐れに勝つ可能性があります良いが失われること。
BACK INTO ENGLISH
Our doubts are traitors, we often lose good may fear trying to win.
You've done this before, haven't you.