well worn
adjective uk/ˌwel ˈwɔːn/ us/ˌwel ˈwɔːrn/
（衣服）穿旧了的
Well worn clothes have been worn often and are becoming old.
[ before noun ] a well-worn sports jacket 穿旧了的运动衫
经常使用的;陈腐的
used very often or too often
[ before noun ] Ecology can be written about without relying on well-worn examples such as tropical rain forests. 可以不用热带雨林等老生常谈的例子来讲述生态学。