YOU SAID:

Won't be able to go after him if he gets any till step dad gets home with car anyway.

INTO JAPANESE

継父が車で家に帰るまで、彼が何かを手に入れても、彼を追いかけることはできません.

BACK INTO ENGLISH

Until my stepfather drives home, I can't go after him, even if he gets something.

INTO JAPANESE

継父が車で家に帰るまで、たとえ何かを手に入れたとしても、私は彼の後を追うことはできません。

BACK INTO ENGLISH

Until my stepfather drives home, I can't follow him, even if I get something.

INTO JAPANESE

継父が車で家に帰るまで、私は何かを得てもついていけません。

BACK INTO ENGLISH

I can't keep up with anything until my stepfather drives home.

INTO JAPANESE

継父が車で家に帰るまで、私は何もついていけません。

BACK INTO ENGLISH

I can't keep up with anything until my stepfather drives home.