What does this sentence mean? Does it mean that no unfortunate event happened? What would that event mean? A fight?
closed as off-topic by JJJ, Jason Bassford, J. Taylor, Chappo, jimm101 Jun 3 at 15:35
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It means nobody's gotten hurt so badly they missed work.
It's usually used in factories or other workplaces where there's a real risk of injury if you don't follow appropriate precautions when doing your job.