It's really only the hard core that bother(s) to go to meetings.

也只有那些骨干分子愿意去开会。

《牛津词典》

A hard core of drivers ignores the law.

部分顽固的驾车人无视这项法律。

《牛津词典》

The core of RealView's endoscopy capsule is a hard plastic cylinder 25mm long and 7.5mm in diameter.

RealView公司生产的内窥镜胶囊核心是一个25毫米长、直径7.5毫米的硬塑料圆柱体。

youdao

A political scientist at the University of Zimbabwe, Eldred Masunungure, says the police are the most serious offenders of the political agreement and the hard core of top officers are determined to hang on to power for as long as possible.

VOA: standard.2009.09.15

We realized we had to push certain boundaries and there were a few weeks there that were,I have to say, some of the most hard-core filming experiences I have ever had and it was pretty intense."

VOA: standard.2010.02.27

Sadly for the hard core gold bugs, there will never be a new gold standard.

FORBES: 5 Facts To Consider Before Buying Or Selling Gold

Over the last 24 hours, the hard core central bank critics got their wish.

FORBES: Will The Central Banks Disappoint?

Mr Griffin has already upset the hard core by dragging the party fractionally closer to the centre ground.

ECONOMIST: The BNP and Hizb ut-Tahrir