登山涉水

Explanation: Climbing over the water. Analogy painstakingly. 　　Source: Ming Shinai "Water Margin" the twenty-second back: "[Song Jiang brother] the two discussed, the diameter of the way to look Cangzhou. The way Mian Bude mountain wade through government red states." 　　Examples: I was Reformed interpretation of the door, in good faith monk taught this to the ~, to my childhood friends are all errors and less visited, less respect for Yan knowledge. ★ Ming Wu Cheng-en, "Journey to the West" fifty-third back