英 [ˈtʌfnəs] 美 [ˈtʌfnəs]
n. 韧性；硬，切不动；坚韧，坚强；艰巨性；强硬；强暴
enduring strength and energy
同义词： stamina / staying power
the property of being big and strong
同义词： huskiness / ruggedness
the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
同义词： temper
impressive difficulty
同义词： formidability
韧性-引用次数：853
The impact toughness of this kind of steel will bedescent when it is aged at 580 660℃.
580～660℃时效降低该钢的冲击韧性。
韧度-引用次数：77
The impact toughness of the alloy with Y content increasing linearly increased.
而合金的冲击韧度随Y含量的增加呈线性上升。
韧性-引用次数：340
Hardness and impact toughness rise with increasing Cr and Mo.
随着Mo含量的增加,硬度跟冲击韧性都有所增加。
参考来源长寿纸浆磨盘精密成形技术的研究
韧化-引用次数：6
And making polymers with both high-strength and high-toughness is very difficult.
其中，使高聚物同时高强超韧化被认为是一项难点。
韧度-引用次数：19
The project is concerned with the toughness in the indentation/scratch test.
本课题来源于压划痕试验中的韧度研究。
坚韧
坚强-引用次数：5
Under the toughness of the old man, it reveals a sort of nihilism of human being’s survival.
坚强的表面下透着人类生存境遇的虚无底色。
参考来源《老人与海》之虚无主义色彩研究
韧性
...质点间的联系不被破坏的性能 硬度（hardness）：材料抵抗局部变形，特别是塑性变形、压痕或划痕的能力称为硬度 韧性（toughness）：韧性是指金属在冲断前吸收变形能量的能力，即抵抗冲击破坏的能力...
... 反应(Initiative): 坚韧(Toughness): 抗性(Resist): ...
1.3 脆性断裂和韧性断裂 韧度（toughness） ：是指材料在断裂前的弹塑性变形中吸收能量的能力。它是个能量的 概念。
健壮（Toughness）：代表人物的抗打击能力和健康程度，影响生命力、伤害、魔法抵抗和负重，增加生命力获得速率、破甲度、法术抵抗率和负重。
[力]韧性；强健；有粘性
The toughness, lightness, strength, and elasticity of whalebone gave it a wide variety of uses.
鲸须的坚韧、轻巧、结实而又有弹性赋予它广泛的用途。
According to the public, at least, it's not that they lack toughness, management talent or proper skill sets.
至少在公众看来，这并不是因为他们缺乏韧性、管理才能或是与之匹配的技能。
Now, though, a novel type of steel has been developed that resists fractures at much lower temperatures, while retaining its strength and toughness—without the need for expensive additives.
然而现在，一种新型的钢已经被开发出来，它可以在更低的温度下抵抗断裂，同时保持其强度和韧性，而不需要昂贵的添加剂。
No.No,I believe you put the toughness on to save your skin.
VOA : special.2009.09.20
His toughness, perhaps even cynicism, served him well in Baghdad and Kabul as well as Washington.
He also personally stepped up with a hammer to demonstrate the toughness of his eco-friendly fenders.
But toughness pays dividends inside Germany, even as it has its price outside the country.