cháng​jiāng​hòu​làng​cuī​qián​làng

the new replaces the old

长江后浪催前浪 長江後浪催前浪 cháng​jiāng​hòu​làng​cuī​qián​làng
the new replaces the old
Literally describes the rear waves of the Yangtze River pushing on those in front; used to say that the new is constantly replacing the old, each new generation excels the previous, or that things are constantly evolving.

Frequency

Written text
0.003 per million

Sources

Frequency data
BCC Corpus (BLCU)