“后进的”的英语可以翻译为：junior，lagged behind ...

我们不应该瞧不起后进的人.We must not look down upon those who have lagged behind.原来后进的车间也赶上了先进的车间.Shops that had been backward caught up with those that were advanced.她无法忍受后进的学生.She was unforbearing with the slower students....