zài shēng
to be reborn
to regenerate
to be a second so-and-so (famous dead person)
recycling
regeneration
zài shēng chǎn
producing a copy
to reproduce
kuò dà zài shēng chǎn
to expand production
to reproduce on an extended scale
zài shēng fù mǔ
like a second parent (idiom); one's great benefactor