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English definition of “rattle”

rattle

verb     /ˈrætl/
NOISE [I, T] to make a noise like something knocking repeatedly, or to cause something to make this noise: Her cup rattled on its saucer. The wind blew hard, rattling the doors and windows.Sounds made by objects, movement or impact
PERSON [T] to make someone nervous: [often passive] He was clearly rattled by their angry reaction.Causing anxiety and worryMaking people sad, shocked and upset
(Definition of rattle verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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