hard-core

英 [ˌhɑːd ˈkɔː(r)]

美 [ˌhɑːrd ˈkɔːr]

adj. 中坚的; 骨干的; (关于性爱)露骨的，赤裸裸的

牛津词典

adj.

中坚的；骨干的
having a belief or a way of behaving that will not change
1. hard-core party members
  核心党员
（关于性爱）露骨的，赤裸裸的
showing or describing sexual activity in a detailed or violent way
1. They sell hard-core pornography .
  他们出售赤裸裸的色情物品。

N-SING (团体、组织中的）中坚力量，骨干分子，核心分子
You can refer to the members of a group who are the most committed to its activities or who are the most involved in them as ahard core ofmembers or as thehard-coremembers.
1. We've got a hard core of customers that have stood by us...
  我们拥有一批一直支持我们的忠实顾客。
2. A hard-core group of right-wing senators had hoped to sway their colleagues.
  一群骨干右翼参议员曾企图左右自己的同僚。
（色情作品）赤裸裸的，暴力的，露骨的
Hard-corepornography shows sex in a very detailed way, or shows very violent or unpleasant sex.
ADJ （现代音乐）极端的，硬核的，纯正的
Hard-coremusic is an extreme form of a particular type of modern music.
1. ...a hardcore punk band.
  硬核朋克摇滚乐队

adj