求翻译：而这类群体性事件往往都是严重的、恶性的，因为它体现的是人民群众与政府之间的矛盾，直接影响党和国家的长治久安。一旦处理不好，引发的系列连锁反应将会相当严重。是什么意思？

These group events are often severe, malignant because it embodies is the contradiction between the Government and the people, directly affect the long-term stability of the party and State. If handled properly, caused series of chain reactions will be quite serious.