英语谚语：狐狸活到老，永远难变好

中考网

The fox may grow grey, but never good.
　　狐狸活到老，永远难变好

In life's earnest battle they only prevail, who daily march onward and never say fail.
　　在人生的战场中，唯有日日前进不屈不挠始能获胜。
    Custom makes all things easy.
    有个好习惯，事事皆不难。