YOU SAID:

I have to use the toilet this second

INTO JAPANESE

私はトイレをこの二番目に使わなければならない

BACK INTO ENGLISH

I have to use the restroom this second time

INTO JAPANESE

私はこの2回目のトイレを使わなければならない

BACK INTO ENGLISH

I have to use this second toilet

INTO JAPANESE

私はこの二番目のトイレを使わなければならない

BACK INTO ENGLISH

I have to use this second toilet