They threatened to lead a mass walk-out if the party did not sharply change direction.

他们威胁说，如果该党对其发展方向不作大的调整，他们就发动大家集体退党。

《柯林斯英汉双解大词典》

It is very difficult to pigeonhole and identify Party, mass and administrative files.

高校党群、行政类文件材料的归档鉴定是比较难以把握的工作。

youdao

To assist the commission party group in managing the carders of the party organizations and mass groups of the commission 7.

协助委党组管理机关党组织和群众组织的干部。

youdao

He proposes to unite the various parts of the Tory party under a single board, allow members to vote directly for the leader and candidates, and to build a mass party membership.

ECONOMIST: The Tories

So you're saying turn it into a genuine mass membership party if we can't get the union money.

BBC: Transcript of Peter Hain interview

What is unreasonable is the impulse to blame mainstream conservatives, including the Tea Party, a diffuse mass movement that has never been linked to any violence.

WSJ: Best of the Web Today: Fascism by the Numbers