YOU SAID:

You better go to the bathroom before you pee your pants

INTO JAPANESE

あなたのパンツがおしっこする前にトイレに行くより

BACK INTO ENGLISH

Than go to the bathroom before you pee in your pants

INTO JAPANESE

あなたのズボンにおしっこする前にトイレに行くよりも

BACK INTO ENGLISH

Than go to the bathroom before you pee in your pants