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English definition of “show sb up”

show sb up

phrasal verb with show
 
 
/ʃəʊ/ verb (past tense showed, past participle shown)
to behave in a way that makes someone you are with feel embarrassed: I didn't want my parents there, showing me up in front of all my friends.Embarrassing
(Definition of show sb up from the Cambridge Learners Dictionary © Cambridge University Press)
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