YOU SAID:
I am never going to let you down
INTO JAPANESE
私は決してあなたを失望させるつもりはありません
BACK INTO ENGLISH
I'm never going to let you down
INTO JAPANESE
私は決してあなたを失望させるつもりはない
BACK INTO ENGLISH
I'm never going to let you down
You've done this before, haven't you.