YOU SAID:

The oldest fear is fear if the unknown

INTO JAPANESE

最も古い恐怖は、未知の人が恐れ

BACK INTO ENGLISH

The oldest fear is fear of the unknown

INTO JAPANESE

最も古い恐怖は未知の恐怖である

BACK INTO ENGLISH

The oldest fear is the fear of the unknown.

INTO JAPANESE

最も古い恐怖は未知の恐怖です。

BACK INTO ENGLISH

The oldest fear is the fear of the unknown.