The phrase is common in contexts involving maintenance, real estate, and mechanics. The vintage car was in good repair, thanks to the owner's diligence.
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Metaphoric Use
Sometimes used metaphorically for situations or systems needing improvement or maintenance. The education system is in poor repair and requires reform.
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Connotation
Conveys an objective assessment, often hinting at the need for attention or action. The playground equipment is in bad repair and poses a safety risk.