革故鼎新
- na.discard the old ways of life in favour of the new
- 网络discard the old ways of life in favor of the new; Destroy the old and establish the new; to discard the old and introduce the new

革故鼎新
1.discard the old ways of life in favour of the new; abolish what is old and establish in its place the new order of things; reform the set rules to create sth. new; destroy the old and establish the new; drop old habits and reform; make general reforms
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