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English definition of “be hoist(ed) with/by your own petard”

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be hoist(ed) with/by your own petard

formal
to suffer harm from a plan by which you had intended to harm someone else
Translations of “be hoist(ed) with/by your own petard”
in Chinese (Traditional) 害人反害己,拿石頭砸自己的腳…
in Chinese (Simplified) 害人反害己,搬起石头砸自己的脚…
(Definition of be hoist(ed) with/by your own petard from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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