YOU SAID:

i mean, maybe im alone in the world and i don,t know

INTO JAPANESE

多分、世界で一人だけかもしれないし、知らない

BACK INTO ENGLISH

Maybe I'm the only one in the world, I don't know

INTO JAPANESE

たぶん、私は世界でただ一人だ、私は知らない

BACK INTO ENGLISH

Maybe I'm the only one in the world, I don't know