This is the 8668th most frequent Portuguese word.
agarrar
To grab, grasp, or hold.
Here, 'agarrei' conveys the action of grabbing or holding an object firmly to prevent it from falling.
Eu agarrei o celular antes que caísse.
I grabbed the cellphone before it fell.
In this context, 'agarrou' means taking advantage of or seizing an abstract concept such as an opportunity.
Ela agarrou a oportunidade de viajar para o exterior.
She seized the opportunity to travel abroad.
Here, 'se agarrou' is used to show the act of holding on tightly or clinging to something out of fear or reaction.