adj.更硬的；更坚固的；更困难的
adv.更努力地
形容词； 副词hard的比较级.
The worker taps the stone with a harder stone, carefully chipping off stone flakes until the stone has been properly shaped. 工人们用更硬的石头击打这些石头，然后小心翼翼地切下石头碎片，直到原石成型为止。
Now I've found it harder to agree with the policies of any one party. 现在我发现要同意任何一个政党的所有政策是更困难的事情。
If you have other people working on your game project too, it becomes harder to explain ideas and keep everyone in sync. 如果还有其他人参与到你的游戏项目中，解释清楚想法并保持每个人的思想相统一是件更困难的事。
用作副词 (adv.)We must amplify our effort by working a lot harder. 我们必须更努力地工作来扩大成果。
