- 世世代代 shìshìdàidài generation after generationfrom generation to generation; for many generations; forever
- 世代相传 shìdàixiāngchuán passed on from generation to generation(idiom) to hand down from generation to generation; passed on through the ages
- 世代交替 shìdàijiāotì alternation of generations(biology) The process where certain organisms alternate between sexual and asexual reproductive phases in their life cycle; metagenesis
