资料来源 : pyDict

下坡的,衰退的,走下坡路的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Downhill \Down"hill`\, adv.
   Towards the bottom of a hill; as, water runs downhill.

Downhill \Down"hill`\, a.
   Declivous; descending; sloping. ``A downhill greensward.''
   --Congrewe.

Downhill \Down"hill`\, n.
   Declivity; descent; slope.

         On th' icy downhills of this slippery life. --Du Bartas
                                                  (Trans. ).

资料来源 : WordNet®

downhill
     adj : sloping down rather steeply [syn: {declivitous}, {downward-sloping}]
     n 1: the downward slope of a hill
     2: a ski race down a trail
     adv 1: toward a lower or inferior state; "your performance has been
            going downhill for a long time now"
     2: toward the bottom of a hill; "running downhill, he gained a
        lot of speed"