YOU SAID:
It's been so long I don't think I'm gonna last
INTO JAPANESE
とても長い間、私は最後になるとは思わない
BACK INTO ENGLISH
So long, i don't think it will be the last
INTO JAPANESE
長い間、それが最後になるとは思わない
BACK INTO ENGLISH
For a long time I don't think it will be the last
INTO JAPANESE
長い間私はそれが最後になるとは思わない
BACK INTO ENGLISH
For a long time i don't think it will be last
INTO JAPANESE
長い間私はそれが最後になるとは思わない
BACK INTO ENGLISH
For a long time i don't think it will be last
That didn't even make that much sense in English.