1) The world is declining in its moral values
世风日衰
2) The manners of the world are daily getting worse
世道日衰
5) ebb and flow
人世盛衰
6) In the time of the age of decadence
衰世之秋
补充资料：世风
1.社会风气。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条