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HSK 6
xīnnewchénolddàireplacexièsupersede
Metabolism; the new replaces the old.

Literal meaning

new (新) — old (陈) — replace (代) — supersede (谢)

Origin

Originally a biological term, now used more broadly to describe renewal and change.

Examples

xīnchéndàixièshìshēngdeběnzhēng
Metabolism is a basic characteristic of living things.
shèhuìzàiduànxīnchéndàixiè
Society is also constantly renewing itself.

Usage & nuances

Can refer to biological processes or broader societal changes.

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