人心不古----human hearts are not what they were in the old days

例句：
A:Helen traduced my character.
海伦中伤我的人格。
B:Why was she in this way? Well, human hearts are not what they were in the old days.
她为什么会这样？咳，真是人心不古啊！

同义词：
People are not so honest as their ancestors were.