idiom > up hill and down dale
Contents
Hiking uphill
  Explanation: Described the long journey, the journey difficult.
  Source: Ming Wu Cheng-en, "Journey to the West" Article back: "Thanks to his climbing uphill, rough journey, to sit when riding to pack by the time, are also quite depends on the power also."
No. 2
  Thanks to his mountain CROSSLINE, rugged trek. - "Journey to the West"
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English Expression
  1. n.:  up hill and down dale