This is the 10007th most frequent Portuguese word.
disparar
"Disparar" means "to shoot, fire, or trigger."
In this sentence, 'disparar' is used to mean 'to fire', as in shooting a firearm.
Ele disparou a arma durante o treinamento.
He fired the weapon during the training.
Here, 'disparar' is used figuratively to mean 'to race or speed up', in the context of emotional excitement affecting the heart rate.
Ao ouvir a notícia, seu coração disparou de emoção.
Upon hearing the news, his heart raced with emotion.
In this example, 'disparar' describes the act of 'triggering' or 'setting off' an alarm, implying an automatic action.