fierce, ferocious
Y te volverás más fiero que el infierno.
And you will become fiercer than hell.
— Old Boy (2003)
Tom se ve fiero.
Tom looks fierce.
Él es en verdad fiero.
He is truly fierce.
— Acantilado rojo (2008)
Parece que Cao Cao no es tan fiero como parece.
It seems that Cao Cao is not as fierce as he appears.