BEAT SOMETHING IN
beat something in: translation
beat something into someone & beat something in†
Fig. to use physical abuse to get someone to learn something; to work very hard to get someone to learn something. (Beating something into someone or someone's head.) •
Do I have to beat this into your head? Why can't you learn?
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Why do I have to beat in this information?
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Can't you learn by yourself ? Does someone have to beat it in?