To become an expert, you must put more effort into your practicing.

KO전문가가 되려면 연습하는데 더 많은 노력을 기울여야합니다.

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I'm not at all sure that is true.

KO그게 사실일거란 생각이 전혀 안들어요.

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Why don't you come inside for a while?

KO잠깐 들어오지 그래요?

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