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English definition of “hit on/upon sth”

hit on/upon sth

phrasal verb with hit     /hɪt/ verb (present participle hitting, past tense and past participle hit)
to have a good idea, especially one that solves a problem: We hit upon the idea of writing to the mayor to ask for his help.Solving and solutions
(Definition of hit on/upon sth from the Cambridge Learner's Dictionary © Cambridge University Press)

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