hard·ness
noun/ˈhɑːdnəs/
/ˈhɑːrdnəs/
[uncountable]- the quality of being solid, stiff and difficult to bend or break
坚固的；坚硬的；结实的 - It will soon be possible to design materials that approach the hardness of diamonds.
很快就有可能设计出接近钻石硬度的材料。
- It will soon be possible to design materials that approach the hardness of diamonds.
- the fact of being full of difficulty and problems, especially because of a lack of money
困苦的；艰苦的；艰难的 - I started thinking about the hardness and toughness of life.
我开始思考生活的艰辛和艰难。
- I started thinking about the hardness and toughness of life.
- the quality of putting a lot of effort or energy into an activity
努力的；勤劳的 - Others may match her mental hardness; nobody will surpass it.
其他人可能与她的心理硬度相匹配；没有人会超越它。
- Others may match her mental hardness; nobody will surpass it.
- the fact of needing or using a lot of physical strength or mental effort
耗费体力（或脑力）的；辛苦的 - These men enjoy the hardness of the work.
这些人享受工作的艰辛。
- These men enjoy the hardness of the work.
- the fact of showing no kind feelings or sympathy
硬度：没有表现出任何同情或同情 - hardness of heart
硬心肠
- hardness of heart
- the fact of being ready to fight and showing no signs of fear or weakness
准备战斗的；不软弱退缩的 - He's honest and forthright, but there is that hardness about him that's needed.
他诚实、直率，但他身上也有一种必要的刚硬。
- He's honest and forthright, but there is that hardness about him that's needed.
- the fact of being difficult to do, understand or answer
难做的；难懂的；难以回答的 - The hardness of the questions varied a lot.
问题的难度差别很大。
- The hardness of the questions varied a lot.
- the quality in facts of being definitely true and based on evidence that can be proved
硬度：实际上是真实的质量，并基于可以证明的证据 - They want to be sure of the hardness of the data.
他们想要确定数据的硬度。
- They want to be sure of the hardness of the data.
- the quality in water of containing calcium and other mineral salts that make mixing with soap difficult
硬的（含钙及镁等可溶性盐较多） - water hardness
水的硬度
- water hardness