up·turn /ˈʌpˌtɚ/
 情況好轉,向上的趨勢(vt.)(vi.)(使)向上,轉朝上,翻轉
 Up·turn v. t. To turn up; to direct upward; to throw up; as, to upturn the ground in plowing. “A sea of upturned faces.”
 So scented the grim feature, and upturned
 His nostril wide into the murky air.   --Milton.
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 upturn
      n : an upward movement or trend as in business activity