”the adjective "die-hard" “，真的不是特殊含义阿。就是常用语。

我把文中的key words 该成红字，容易看：

"In British politics the adjective "die-hard" (best written with a hyphen) was later used to describe those members of the House of Lords who, during the crisis caused by..."

”The term is now commonly used to describe any person who will not be swayed from a belief,..."