They say the government is trying to restrict them from speaking out.他们说政府试图阻止他们发表言论。Some students argued that the rule infringed on their right to free speech.一些学生争辩说,这规则侵犯了他们自由发表言论的权利。The company has tried to muzzle its employees by forbidding them to speak to the press.公司试图以禁止员工对新闻发表言论的方式令其保持缄默。