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English definition of “that'll teach sb”

that'll teach sb

used to say that a person should avoid doing something bad in the future thanks to the experience of the effects of their actions: So Roger spent the night in a freezing garage, did he? That'll teach him to (= show him that he should not) go out without his house keys!Teaching in general
(Definition of that'll teach sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “that'll teach sb”

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