you can't teach an old dog new tricks

短语

老狗变不出新把戏

发音

其它

释义与例句

prov.
  1. 1.

    It is impossible to change people's habits, traits, or mindset.

    老狗变不出新把戏

词源

A form of (obsolete) “An old dog will learn no tricks”.

来源：wiktionary