YOU SAID:
Shouldn't you go in after them?!
INTO JAPANESE
あなたは彼らの後を追うべきではありませんか?!
BACK INTO ENGLISH
Shouldn't you follow them? !
INTO JAPANESE
あなたはそれらに従うべきではありませんか? !
BACK INTO ENGLISH
Shouldn't you follow them? !
That didn't even make that much sense in English.