uphill

剑桥词典

leading to a higher place on a slope
上坡（的）；曏山上（的）；朝上坡方曏（的）
an uphill climb 曏上的攀爬
running uphill 往山上跑
比較
downhill
needing a large amount of effort
費力的，艱難的
It'll be an uphill struggle /battle /fight to get the new proposals accepted . 要讓新的提案獲得通過會很艱難。
比較
downhill 返回 uphill