变本加厉變本加厲

biàn běn jiā lì

Meaning

lit. change to more severe (idiom); to become more intense (esp. of shortcoming); to aggravate; to intensify

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Characters

变biànto change, to transform, to alter; rebel亦又本běnroot, origin, source; basis木一加jiāto add to, to increase, to augment力口厉lìwhetstone; to grind, to sharpen, to whet厂万