出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第45页(219字)
形容人虽老,但志气更远大,例别看他年事已高,做起事来老当益壮,比年轻人更有劲。
Just because he is old it doesn’t mean he’s at his end.When he sets to work,he’s full of vigour,even more so than a young person.