[] a group of people who try to influence the government, people with power in organizations, and the opinions of ordinary people in order to achieve the action they want, for example a change in a law 压力集团（为了达到修改法律等目的而谋求对政府、机构的当权派、舆论施加压力的群体）◆the environmental pressure group Greenpeace “绿色和平”这个环保压力集团