YOU SAID:
仕方ないだろうが
INTO JAPANESE
仕方ないだろうが
BACK INTO ENGLISH
I ca n’t help but
INTO JAPANESE
仕方ないけど
BACK INTO ENGLISH
I can't help but
INTO JAPANESE
僕は手伝えない
BACK INTO ENGLISH
I can't help.
INTO JAPANESE
僕は手伝えない
BACK INTO ENGLISH
I can't help.
That didn't even make that much sense in English.