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English definition of “catch sb on the hop”

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catch sb on the hop

UK informal
to do something when someone is not ready for it and is not able to deal with it: I'm afraid you've caught me on the hop - I wasn't expecting you until next week.
Translations of “catch sb on the hop”
in Chinese (Traditional) 使(某人)措手不及…
in Chinese (Simplified) 使(某人)措手不及…
(Definition of catch sb on the hop from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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