YOU SAID:
I don't Care in this world anymore.
INTO JAPANESE
私はもうこの世界では気にしません。
BACK INTO ENGLISH
I don't care in this world anymore
INTO JAPANESE
もうこの世界はどうでもいい
BACK INTO ENGLISH
I don't care about this world anymore
INTO JAPANESE
もうこの世界なんてどうでもいい
BACK INTO ENGLISH
I don't care about this world anymore
That didn't even make that much sense in English.