YOU SAID:
Pineapple doesn't belong on pizza, slay yourself!
INTO JAPANESE
パイナップルはピザにふさわしくありません。
BACK INTO ENGLISH
Pineapple is not suitable for pizza.
INTO JAPANESE
パイナップルはピザには不向きです。
BACK INTO ENGLISH
Pineapple is not suitable for pizza.
That didn't even make that much sense in English.