那个时代过去了。曾几何时，世风剧变，义的信誉一落千丈，真君子销声匿迹，伪君子真相毕露，迂君子豁然开窍，都一窝蜂奔利而去。

Gone are the old days. The social trend has taken on a dramatic change unawares（出其不意地、没想到、不料、不知不觉地）: the reputation of righteousness nosedived, truly virtuous men became extinct, hypocrites dropped the fig leaf（遮羞布） and the scales fell from the eyes of the pedants. Without exception, they all joined in the scramble for gains.