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English definition of “weigh sb up”

weigh sb up

phrasal verb with weigh     /weɪ/ verb
to form an opinion about a situation or someone's abilities and character by thinking about them carefully: I weighed up my chances of escape, and decided to wait for a better moment. When you're a detective you learn to weigh people up quickly.Analysing and evaluatingAssessing and estimating value
(Definition of weigh sb up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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