n.衰落；頹廢

The decadence of morals is bad for nation. 道德的墮落對于國家是不利的。

But even your dreams will be but a pale shadow of my true decadence. 但你的夢不過是我真實衰落中一個蒼白的影子罷了。

It embraced a decadence and an abandon that set it apart from the rest of Egypt. 這里擁抱著某種頹廢和狂放，讓它有別于埃及的其它地方。