used to say that someone who has had a particular habit or way of life for a long time and is unlikely to change
成习惯的;根深蒂固的;坚定的
a confirmed bachelor / atheist / tea drinker 抱定独身主义的男子/坚定的无神论者/饮茶成癖的人

relating to coats of arms (= special shields or shield-shaped patterns that are the sign of a family, university, or city) and the history of the families, universities, etc. that they belong to