[] particularly active or enthusiastic尤为积极的；狂热的◆Early Xbox sales were mainly to hard-core gamers.早期的 Xbox 游戏主机主要面向狂热的游戏玩家。involving people who are unlikely to change their opinions or behaviour顽固的；固执的◆the hard-core unemployed (= who have had no work for a long time and are not very likely to find a job)长期失业者