YOU SAID:

I really don't think this is a good idea.

INTO JAPANESE

私は本当にこれは良いアイデアとは思わない。

BACK INTO ENGLISH

I really don't believe good idea this is.

INTO JAPANESE

私は本当にこれは良いアイデアを信じていません。

BACK INTO ENGLISH

I really don't believe this is good idea.

INTO JAPANESE

本当に、これは良いアイデアを信じていません。

BACK INTO ENGLISH

Really, don't believe this good idea.

INTO JAPANESE

本当に、これは良いアイデアとは思わない。

BACK INTO ENGLISH

Really, don't think this is a good idea.

INTO JAPANESE

本当に、これは良いアイデアとは思わない。

BACK INTO ENGLISH

Really, don't think this is a good idea.