YOU SAID:
I'll never let go, Jack!
INTO JAPANESE
決してやるから、ジャック!
BACK INTO ENGLISH
From never do Jack!
INTO JAPANESE
決してジャックを行います!
BACK INTO ENGLISH
Never do Jack!
INTO JAPANESE
決して、ジャックを行います!
BACK INTO ENGLISH
Never do Jack!
That didn't even make that much sense in English.