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English definition of “concern”

concern

verb [T]     /kənˈsɜːn/
INVOLVE B2 to involve someone or be important to them: Environmental issues concern us all. He's more concerned about profits than the safety of his employees.Taking part and getting involvedGetting involved for one's own benefit or against others' will
WORRY to worry or upset someone: What really concerns me is her lack of experience.Causing anxiety and worryMaking people sad, shocked and upset
BE ABOUT B2 If a story, film, etc concerns a particular subject, it is about that subject.Regarding and concerningLinking and relating
concern yourself to become involved with doing something: You needn't concern yourself with the travel arrangements.Taking part and getting involvedGetting involved for one's own benefit or against others' will
(Definition of concern verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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