If you say that someone trivializes something important, you disapprove of them because they make it seem less important, serious, and complex than it is. 贬低; 简化
verb [vt. 及物动词]vt. 使平凡;使琐碎
It never ceases to amaze me how the business world continues to trivialize the world's environmental problems. 工商界继续轻视世界的环境问题,这一直令我感到惊讶。