YOU SAID:

in need to use the bathroom

INTO JAPANESE

バスルームを使用する必要がある

BACK INTO ENGLISH

I need to use the bathroom.

INTO JAPANESE

トイレに行きたい

BACK INTO ENGLISH

I gotta go to the bathroom.

INTO JAPANESE

ちょっとトイレ

BACK INTO ENGLISH

I gotta go to the bathroom.