YOU SAID:
i wrestled a bear once
INTO JAPANESE
私は一度くまを苦闘した
BACK INTO ENGLISH
I struggled with the bear once
INTO JAPANESE
私は一度熊と戦った
BACK INTO ENGLISH
I once fought the bear
INTO JAPANESE
私はかつてクマと戦った
BACK INTO ENGLISH
I once fought a bear
INTO JAPANESE
私はかつてクマと戦った
BACK INTO ENGLISH
I once fought a bear
That didn't even make that much sense in English.