YOU SAID:
get into a fight with a badger
INTO JAPANESE
アナグマとの戦いに入る
BACK INTO ENGLISH
Enter the battle with badgers
INTO JAPANESE
アナグマとの戦いに参加してください
BACK INTO ENGLISH
Join the fight with badgers
INTO JAPANESE
アナグマとの戦いに参加する
BACK INTO ENGLISH
Join the fight with badgers
That didn't even make that much sense in English.