He headed downhill toward the river.他朝山脚下的小河走去。
Well, I guess it's all downhill from here.好,我想从现在起该一帆风顺了。
Their marriage went downhill after the first child was born.自第一个孩子出生后他们的婚姻便开始走下坡路了。
downtown n.&adj.&adv. 市中心的商业区(反意词 uptown 远离商业区)