YOU SAID:

pineapple its not good in the pizza

INTO JAPANESE

パイナップルはピザの中ではよくない

BACK INTO ENGLISH

Pineapple is not good in pizza.

INTO JAPANESE

パイナップルはピザが苦手だ。

BACK INTO ENGLISH

I don't like pineapple pizza.

INTO JAPANESE

私はパイナップルピザが好きではない。

BACK INTO ENGLISH

I don't like pineapple pizza.