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break down

[/breɪk daʊn/]
verb (phrasal verb)
quebrar, desabar, avaria, colapso
1. To stop functioning; to fail or malfunction
The car broke down on the highway.
O carro quebrou na rodovia.
2. To collapse emotionally; to cry or lose composure
She broke down in tears after hearing the news.
Ela desabou em lágrimas ao ouvir a notícia.
3. To analyze or separate into components
Let me break down the problem into smaller parts.
Deixe-me dividir o problema em partes menores.
4. To decompose or disintegrate
The material breaks down naturally over time.
O material se decompõe naturalmente ao longo do tempo.
NYC Slang
break down, conk out, go kaput
Synonyms
failmalfunctioncollapsedecomposeanalyze
Antonyms
functionworkcomposecombine

Regional Variations

General Brazilian
quebrar, desabar, avaria
Most common usage across Brazil
Rio de Janeiro
arrebentar, desabar
Colloquial variation
São Paulo
dar pau, pifar
Informal, especially for mechanical failure
Portugal
avaria, colapso
Formal usage preferred

Related Idioms & Phrases

break down in tears
break it down (explain clearly)
have a breakdown (emotional collapse)
break down barriers
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