好词典

hardness

UK //ˈhɑːdnəs//US //ˈhɑːrdnəs//

词源

源自中古英语 hardnes,由 hard(坚硬的)加名词后缀 -ness 构成,可追溯至古英语 heardnes。

noun

❶ 指物质的坚硬程度或抵抗外力变形的能力,常用于描述金属、矿物等材料的物理特性。

“The hardness of diamond makes it ideal for cutting tools.”

(钻石的硬度使其成为切割工具的完美材料。)

“Scientists measure the hardness of materials using the Mohs scale.”

(科学家们用莫氏硬度标尺测量材料的硬度。)

❶ 形容人或性格的严厉、冷酷,缺乏同情心或灵活性。

“There was an unexpected hardness in his voice when he spoke.”

(他说话时声音里带着出人意料的冷硬。)

“The hardness of her expression revealed no mercy.”

(她表情的冷酷显示出毫无怜悯。)

同义词:firmness, rigidity, toughness, sternness, severity

常见短语

hardness of heart — 指情感上的冷酷或缺乏同情心,常用于描述拒绝改变或原谅的顽固态度。

“His hardness of heart prevented him from forgiving his old friend.”

(他的心硬如铁,始终不肯原谅老朋友。)