ferocious

1. ADJ A ferocious animal, person, or action is very fierce and violent. 凶残的

By its very nature a lion is ferocious. 狮子本性凶残。

2. ADJ A ferocious war, argument, or other form of conflict involves a great deal of anger, bitterness, and determination. 激烈的

Fighting has been ferocious. 战斗一直很激烈。