此事: this matter...
时事: current trends, the present situation, how things are going...
深化: to deepen, to intensify...
采矿: mining...
火药: gunpowder...
不易: not easy to do sth, difficult, unchanging...
透: to penetrate, to pass through, thoroughly, completely, transparent, to appear, to show...
丰富多彩: richly colorful...
火腿: ham...
暗杀: to assassinate...