YOU SAID:

I would like to pee but they bathroom needs to pee in the bathroom

INTO JAPANESE

おしっこしたいのですが、バスルームでおしっこする必要があります

BACK INTO ENGLISH

I want to pee, but I need to pee in the bathroom

INTO JAPANESE

おしっこしたいのですが、トイレでおしっこする必要があります

BACK INTO ENGLISH

I want to pee, but I need to pee in the bathroom