Meaning of “that'll teach sb” in the English Dictionary


"that'll teach sb" in English

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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!

(Definition of “that'll teach sb” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)