When wild boars come into contact with their enemy, they go around behind them and charge
When wild boars come into contact with their enemy, they go around behind them and charge=イノシシは敵に出会うと後ろに回って突進してくる
イノシシ=wild boar
Boarやhogとだけ言う場合もあります。
come into contact=出会う、触れ合う、視界に入る等
go around behind=後ろに回る
charge=突進
恐るべしイノシシ!