YOU SAID:
triskaidekaphobia is fear of the number 13
INTO JAPANESE
triskaidekaphobiaは番号13を恐れています
BACK INTO ENGLISH
triskaidekaphobia is afraid of number 13
INTO JAPANESE
triskaidekaphobiaは13番を恐れています
BACK INTO ENGLISH
triskaidekaphobia is afraid of number 13
That didn't even make that much sense in English.