toughness

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。

The resulting steel appears to achieve a combination of strength and toughness that is comparable to that of modem steels that are very rich in alloy content and, therefore, very expensive.

产出的钢在强度和韧性方面的综合性能可与合金含量非常丰富的现代钢相媲美，因此价格非常昂贵。

He initially complained about the toughness of the steak.

他最初抱怨牛排太硬了。

She had the combined talents of toughness, intellect, experience and unsullied reputation.

她坚强、有智慧、有经验，也有清白的名声。

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。

He has never underestimated the toughness of this job.

他从未低估过这项工作的艰巨性。