Correct

后浪推前浪

/ hòu làng tuī qián làng /
Strokes

Example

Definition

each wave pushing at the one ahead; waves urging waves; rolling on; making progress steadily

1
Chángjiānghòulàngtuīqiánlàng
长江后浪推前浪
  
,
shìshàng
世上
xīnrén
新人
huàn
jiù
rén
  

As the Yangtze River surges on wave upon wave, so the new generation replaces the old.