YOU SAID:
Wild dogs must not be tamed.
INTO JAPANESE
野生の犬は飼いならしてはいけません。
BACK INTO ENGLISH
Wild dogs should not be tamed.
INTO JAPANESE
野生の犬は飼いならしてはいけません。
BACK INTO ENGLISH
Wild dogs should not be tamed.
That didn't even make that much sense in English.