YOU SAID:

The old dog went feral

INTO JAPANESE

その老犬は野良になった

BACK INTO ENGLISH

The old dog went wild.

INTO JAPANESE

その老犬は暴れた。

BACK INTO ENGLISH

The old dog went berserk.

INTO JAPANESE

その老犬は怒り狂った。

BACK INTO ENGLISH

The old dog got angry.

INTO JAPANESE

その老犬は怒った。

BACK INTO ENGLISH

The old dog got angry.