YOU SAID:

we gotta do what we gotta do

INTO JAPANESE

やらなきゃいけないことをやらなきゃ

BACK INTO ENGLISH

We've got to do what we have to do.

INTO JAPANESE

やるべきことをやらなきゃ。

BACK INTO ENGLISH

We have to do what we have to do.

INTO JAPANESE

やるべきことをやらなければならない。

BACK INTO ENGLISH

We have to do what we have to do.