o herói in English:

I'm a hero.

The great Roman hero, Julius Caesar, was assassinated.

I cannot look on anybody as a national hero with the exception of Shigeo Nagashima.

You're not much of a hero if you don't know how to make a good entrance.

An hero makes great things.

There's a hero, if you look inside your heart.

Notice how the hero in an action flick never seems to run out of ammo?

There's no sense acting all triumphant like a conquering hero over such a minor thing.

The hero demonstrated that a man could subjugate nature to his uses.

People rained words of praise on the hero.

Jack's adventures are more amazing than those of the hero in many thrillers.

heroic = brave

The hero, as a child, suffered from parental neglect.

герой войны|war hero

Charles de Gaulle became a hero in France after the Second World War.