YOU SAID:

I eat pizza every two weeks or three.

INTO JAPANESE

私は2週間か3週間ごとにピザを食べます。

BACK INTO ENGLISH

I eat pizza every two or three weeks.

INTO JAPANESE

私は2、3週間ごとにピザを食べます。

BACK INTO ENGLISH

I eat pizza every few weeks.

INTO JAPANESE

私は数週間ごとにピザを食べます。

BACK INTO ENGLISH

I eat pizza every few weeks.