Another newspaper article: DELIRIUM TREMENS TWAIN—Mark Twain, who was to make a speech at the mass meeting of the Independents last night, didn't come to time!

报纸上又有一篇文章说：“患震颤性谵妄的吐温，昨晚本打算在独立派群众大会上发表讲话，却没来！”

youdao

The time appointed for the mass meeting was 9 a.m.

群众大会上午9点届时召开。

《新英汉大辞典》

They held a mass meeting.

他们开了个群众大会。

youdao

Before the meeting Pope Benedict celebrated a large open-air mass in Valletta, attended by thousands of people.

VOA: standard.2010.04.18

The union is planning at a mass meeting at Hereford Town Hall on Thursday.

BBC: Hereford & Worcester

Another worker at the Southampton factory said a mass meeting had been planned for 1000 GMT.

BBC: Car giant Ford to cut 850 workers

Nonetheless, the mass meeting represented the first real move by Iraqis themselves to re-establish a civil administration.

CNN: Baghdad civil servants mull resuming work