YOU SAID:
Hello never gonna give you up never gonna let you down.
INTO JAPANESE
こんにちは、決してあなたをあきらめることはありません。
BACK INTO ENGLISH
Hello, I will never give up on you.
INTO JAPANESE
こんにちは、私はあなたを決してあきらめません。
BACK INTO ENGLISH
Hello, I will never give up on you.
That didn't even make that much sense in English.