Lǎo jiàoshòu yìshēng tíxié hòujìn, dàichū le hěnduō yōuxiù de xuézhě.
The old professor spent his life helping younger scholars along and trained many fine ones.
Tips
usage
The opposite of 先进: the slogan 表彰先进,激励后进, 'honor the leaders, spur on the laggards', runs through Chinese schools and workplaces. 后进生 is the gentle school word for a struggling student, kinder than 差生.