YOU SAID:

I don't need to use the bathroom

INTO JAPANESE

私はバスルームを使用する必要はありません

BACK INTO ENGLISH

I do not 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.