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English definition of “complain”


verb [I]    /kəmˈpleɪn/
to say that something is wrong or not good enough: Bill and Nancy are always complaining about their neighbor, whose dog frightens their kids. [+ that clause] She complained that she had too much work to do. If you complain of a physical condition, you describe something that hurts or makes you feel ill: She complained of aching knees from her arthritis.
(Definition of complain verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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