YOU SAID:
the bears teeth rotted as he dug into the fish
INTO JAPANESE
熊歯腐った魚に掘った彼と
BACK INTO ENGLISH
He dug a bear teeth rotten fish
INTO JAPANESE
彼はクマの歯の腐った魚を掘った
BACK INTO ENGLISH
He dug a bear teeth rotten fish
That didn't even make that much sense in English.