the blind leading the blind used to say that people who do not know much about what they are doing are guiding or advising others who know nothing at all盲人给瞎子引路; 瞎指挥the blind leading the ˈblinda situation in which people with almost no experience or knowledge give advice to others who also have no experience or knowledge盲人教盲人；盲人引导瞎子 |