erratic operation
[/ɪˈrætɪk ˌɑːpəˈreɪʃən/]
noun phrasepl: erratic operations
operação irregular / funcionamento errático
1. Unpredictable or inconsistent performance or functioning of a machine, system, or device that does not work reliably or as expected
The printer's erratic operation frustrated the entire office staff.
O funcionamento errático da impressora frustrou toda a equipe do escritório.
2. Behavior or performance characterized by sudden changes, fluctuations, or lack of consistency
The car's erratic operation suggested an engine problem that needed immediate repair.
O funcionamento irregular do carro sugeriu um problema no motor que precisava de reparo imediato.
This term is commonly used in technical, industrial, and automotive contexts in both Brazil and the United States. In Brazil, 'funcionamento errático' is the preferred technical term in manuals and professional settings, while in the USA 'erratic operation' appears frequently in product warranties and repair documentation. The phrase reflects a shared understanding in modern technology-dependent cultures of the frustration caused by unreliable devices.
NYC Slang
wonky operation / acting up
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