1. When you are going downhill you tend to underestimate yourself. 当人生走下坡的时候，你趋向与低估自己。
2. Entering the mountain road, an easy downhill road appears at first. 进入山路后，出现在眼前的是平缓的上坡路。
3. It dropped downhill, toward the woods, and I could make out the auto beside the road. 大路是往下倾斜的，通向树林，我能辨认出停在路边的那辆汽车。
英英解释
n.
1. the downward slope of a hill
2. a ski race down a trail adj.
1. sloping down rather steeply
2. toward a lower or inferior state
3. toward the bottom of a hill
