fierce 英語で:

The author depicts one of the most ferocious battles of the period.

Crocodiles are ferocious, cold-blooded killers.

ferocious roar

a ferocious attack a ferocious dog

Well, I was a grown man who had all of these rituals, and it got so there was a throbbing, there was a ferocious fear in my head.

The fight was ferocious, and continued until the sun set.

Zipang The Power Polack, a ferocious Polish berserker, flailed around wildly, charging into enemy ranks crazily without armor.

A tiger is a very ferocious kind of animal.