YOU SAID:

lost in this world is scary

INTO JAPANESE

この世界で失われたのは怖い

BACK INTO ENGLISH

I'm afraid it's lost in this world.

INTO JAPANESE

残念ながら、この世界では失われています。

BACK INTO ENGLISH

Unfortunately, it is lost in this world.

INTO JAPANESE

残念ながら、それはこの世界で失われています。

BACK INTO ENGLISH

Unfortunately, it is lost in this world.