He was diagnosed as severely dyslexic but extraordinarily bright.他被诊断患有严重的阅读困难症，但是却绝顶聪明。You don't have to be a rocket scientist to understand the instructions.你不需要绝顶聪明也能看懂这份操作指南。It doesn't take a rocket scientist to make a rock record.制作摇滚唱片并不要求你非得绝顶聪明。