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English definition of “shake sb up”

shake sb up

phrasal verb with shake
 
 
/ʃeɪk/ verb (past tense shook, past participle shaken)
If an unpleasant experience shakes someone up, it makes them feel shocked and upset: The accident really shook him up.Making people sad, shocked and upsetFrightening and scaring
(Definition of shake sb up from the Cambridge Learners Dictionary © Cambridge University Press)
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