不药而愈
      Explanation: More: convalescence. Do not take medicine and self-limiting illness
      Usage: Partial official; as predicate; with compliment
      Source: Qing Xia's "flavor of" 37 back: "Old man do not worry, sister of the disease the world, some can not be cured."
      Examples: Not just with a cold refreshing, it ~ was. ★ tao "potato melon"
  • Thesaurus:  to die of illness or injury despite medical help self-cure