I'd rather be an idiot than lose you这句话应该是《海绵宝宝》里海绵宝宝与胖大星的对话,
记着原句是【Knowledge can't replace friendship,I'd rather be an idiot than lose you,】
译为：【知识不能取代友谊,我宁愿变成白痴也不想失去你.
放到具体的语言环境里去理解,效果应该会更好.