Word

HSK	Not in HSK
FREQUENCY	Unknown

變本加厲 biàn běn jiā lì

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

變 biàn	change, transform, alter; rebel
本 běn HSK 1	root, origin, source; basis
加 jiā HSK 3	add to, increase, augment
厲 lì	whetstone; grind, sharpen; whet