There are several antonyms for the phrase "shows ropes," which means to teach or educate someone on a particular skill or task. These antonyms include: confusing, misleading, misinforming, baffling, puzzling, and perplexing. Instead of showing ropes, one might confuse or mislead someone by providing incorrect or unclear information. Alternatively, they might leave the person puzzled or perplexed by failing to effectively communicate the necessary information. It is important to be mindful of these potential antonyms and strive to effectively teach and educate in a clear and concise manner.