li, ancient measure of length, approx. 500 m / neighborhood / ancient administrative unit of 25 families / (Tw) borough, administrative unit between the township 鎮|镇[zhen4] and neighborhood 鄰|邻[lin2] levels
lit. ninety li is merely a half of a hundred li journey (idiom) / fig. the closer one is to completing a task, the tougher it gets / a task is not done until it's done