Surprising numbers of young people began to proclaim the illegitimacy of authority.为数惊人的年轻人开始公开宣称当局的非法性。He was convicted of having unlawful sex with an underage girl.他被判定与一名未成年少女发生非法性行为。The report also underscored the illegality of suicide bombings.报告还强调了自杀性爆炸的非法性。