情況好轉,向上的趨勢(使)向上,轉朝上,翻轉
Upturn \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.'' --D. Webster. So scented the grim feature, and upturned His nostril wide into the murky air. --Milton.
upturn n : an upward movement or trend as in business activity