YOU SAID:
Why bother saying anything, i'm alone in this world
INTO JAPANESE
なんで言っても気にしないで、私はこの世に一人でいる
BACK INTO ENGLISH
Don't worry about it, I am alone in this world
INTO JAPANESE
心配しないで、私はこの世に一人でいる
BACK INTO ENGLISH
Don't worry, I am alone in this world
INTO JAPANESE
心配しないで、私はこの世界で一人です
BACK INTO ENGLISH
Don't worry, I am alone in this world
You've done this before, haven't you.