This is the 13311th most frequent Spanish word.
quebrarse
To break, snap, or fracture (often referring to something breaking or to emotional breakdown).
In this sentence, 'quebrarse' is used to indicate the breaking or shattering of an object due to impact or stress, applicable to physical items.
El vaso se quebró al caerse.
The glass broke when it fell.
Here, 'quebrarse' metaphorically signifies a cracking or breaking of voice due to emotional strain or heightened feelings.
Su voz se quebró de emoción al hablar de su familia.
Her voice broke with emotion when talking about her family.
In this case, 'quebrarse' is used to describe the process of structural deterioration or damage in objects like buildings or constructions.