live in darkness; live in dark oppression ? 勞動(dòng)人民過(guò)著～的時(shí)代已經(jīng)一去不復(fù)返了。Gone are the days when the labouring people lived in dark oppression.
不見(jiàn)天日bù jiàn tiān rì
天日：指光明。形容社會(huì)極端黑暗。complete darkness, total absence of justice, live in darkness