hardness是什么意思

hardness

英[hɑ:dn?s] 美[?hɑrdn?s]

n. 坚硬，<物>硬性，困难，冷酷；

形容词：hard;

相关单词 hardnessl macrohardness microhardness small hardness

同义词

hardness的同义词之：
oppression tyranny

反义词

hardness的反义词之：
compassion

柯林斯高阶英汉双解学习词典释义

ADJ-GRADED

硬的;坚硬的;坚固的

Something that is hard is very firm and stiff to touch and is not easily bent, cut, or broken.
例句
He shuffled his feet on the hard wooden floor... 他拖着脚在硬木地板上走动。 Something cold and hard pressed into the back of his neck. 一个冰冷梆硬的东西顶在了他的脖梗儿上。
ADJ-GRADED

难做的;困难的

Something that is hard is very difficult to do or deal with.
例句
It's hard to tell what effect this latest move will have... 很难说最近这次行动会有什么结果。 She found it hard to accept some of the criticisms directed towards her and her work... 她发现某些针对自己和自己工作的批评意见很难接受。
ADV-GRADED

努力地;使劲地

If you work hard doing something, you are very active or work intensely, with a lot of effort.
例句
I'll work hard. I don't want to let him down... 我会努力工作，我不想让他失望。 Am I trying too hard? 我是不是努力过头了？
ADJ-GRADED

累人的;费力的;费劲的

Hard work involves a lot of activity and effort.
例句
Coping with three babies is very hard work... 照顾3个宝宝是非常累人的活儿。 ...a hard day's work... 一天的辛苦工作
ADV-GRADED

仔细地;认真地

If you look, listen, or think hard, you do it carefully and with a great deal of attention.
例句
He looked at me hard... 他使劲盯着我看。 You had to listen hard to hear the old man breathe... 你要仔细听才能听见老人的呼吸声。
ADV-GRADED

猛力地;用力地

If you strike or take hold of something hard, you strike or take hold of it with a lot of force.
例句
I kicked a dustbin very hard and broke my toe. 我狠狠地踢了一脚垃圾箱，结果脚趾骨折了。
ADV-GRADED

强烈地;猛烈的;长时间地

You can use hard to indicate that something happens intensely and for a long time.
例句
I've never seen Terry laugh so hard... 我从未见过特里如此放声大笑。 It was snowing hard by then. 当时雪下得很大。
ADJ-GRADED

冷酷无情的;心肠硬的

If a person or their expression is hard, they show no kindness or sympathy.
例句
His father was a hard man... 他的父亲是个冷酷无情的人。 Kate realized that the previous hard look on Maggie's face had been a mask. 凯特意识到玛吉原先的那副冷酷表情其实是装出来的。
ADJ-GRADED

苛刻的;严厉的;不友善的

If you are hard on someone, you treat them severely or unkindly.
例句
Don't be so hard on him. 别对他太苛刻了。
ADJ-GRADED

有害的;不利的

If you say that something is hard on a person or thing, you mean it affects them in a way that is likely to cause them damage or suffering.
例句
The grey light was hard on the eyes... 光线暗淡对眼睛不利。 These last four years have been hard on them. 过去的这四年里他们吃了不少苦。
ADJ-GRADED

（生活、一段日子）艰难的，艰苦的

If you have a hard life or a hard period of time, your life or that period is difficult and unpleasant for you.
例句
It had been a hard life for her... 对她而言，那是一段非常艰苦的生活。 Those were hard times. 那些岁月是非常艰难的。
ADJ-GRADED

非常寒冷的;凛冽的

A hard winter or a hard frost is a very cold one.
例句
...a prolonged period of hard frost... 漫长的强霜冻期 I am expecting a long, hard winter. 我估计冬天会漫长而寒冷。
ADJ-GRADED

（颜色）刺目的，晃眼的;（声音）刺耳的，难听的

Hard colours or sounds are harsh or bright and unpleasant to see or hear.
例句
The sea was a hard blue. 大海呈一片耀眼的蓝色。
ADJ

（证据、资料）可靠的，确凿的

Hard evidence or facts are definitely true and do not need to be questioned.
例句
He wanted more hard evidence... 他想要更多确凿的证据。 There are probably fewer hard facts about the life of Henry Purcell than that of any other great composer since the Renaissance. 有关亨利·普赛尔生平的可靠资料可能比任何其他文艺复兴以来的伟大作曲家都要少。
ADJ-GRADED

（水质）硬的（指含钙化合物较多）

Hard water contains a lot of calcium compounds that stop soap making bubbles and sometimes appear as a deposit in kettles and baths.
ADJ

（毒品）毒性强的，烈性的

Hard drugs are very strong illegal drugs such as heroin or cocaine.
ADJ

（语音）发硬音的

In phonetics, a hard sound is one such as 'c' or 'g' as pronounced in the words 'cat' or 'give', and not as in the words 'cinema' or 'general'.
PREP-PHRASE

离…很近的

If one thing is hard by another, it is very close to it.
例句
Paradise Street was a short, crowded street near the railway station and hard by the factory. 天堂街是火车站附近一条拥挤的小街道，离该工厂很近。
PHRASE

受到不公平待遇的;委屈的

If you feel hard done by, you feel that you have not been treated fairly.
例句
The hall porter was feeling hard done by at having to extend his shift. 酒店行李搬运工因为被迫延长当班时间而愤愤不平。
PHRASE

困难的;艰难的

If you say that something is hard going, you mean it is difficult and requires a lot of effort.
例句
The talks had been hard going at the start. 会谈从一开始就举步维艰。
PHRASE

受到沉重打击的;受严重影响的

To be hard hit by something means to be affected very severely by it.
例句
California's been particularly hard hit by the recession. 加利福尼亚受经济衰退的影响尤为严重。
PHRASE

佯装不感兴趣;故意摆谱

If someone plays hard to get, they pretend not to be interested in another person or in what someone is trying to persuade them to do.
例句
I wanted her and she was playing hard to get. 我想得到她，但她却故意装出不感兴趣的样子。
PHRASE

十分困难的;处于困境的

If someone is hard put to do something or, in British English if they are hard pushed to do something, they have great difficulty doing it.
例句
Mr Morton is undoubtedly cleverer than Mr Kirkby, but he will be hard put to match his popularity. 莫顿先生无疑比柯克比先生更聪明，但他将很难像柯克比先生那样受人欢迎。
PHRASE

为…而非常苦恼（或难受）；因…而沮丧

If you take something hard, you are very upset or depressed by it.
例句
Maybe I just took it too hard. 可能我真的对此事太过耿耿于怀。

英汉词典释义

n.
坚硬
The old snow has compacted into the hardness of ice. 雪堆积久了变得像冰那样坚实。 Even the years of military training had not muscled him into hardness. 甚至几年的军事操练也未曾使他增强体质。
<物>硬性;硬度
困难
冷酷,严厉

英英词典释义

Noun
1. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
2. devoid of passion or feeling
3. the quality of being difficult to do;
"he assigned a series of problems of increasing hardness"
4. excessive sternness;
"severity of character""the harshness of his punishment was inhuman""the rigors of boot camp"

行业词典

体育：硬度；
力学：硬度；
医学：硬性：水的硬度：由水中溶解的钙盐、镁盐和其他物质所决定，遇肥皂后形成不溶性凝乳，因而影响肥皂的清洗力；物质分子间的内聚力构成物质的表现为不可扭曲性和不易产生压痕；X射线的穿透力显示为硬性，射线的波长愈短，射线愈硬，其穿透力愈强；真空玻璃内余气的折射力与真空度有关，真空愈高，所产生的X射线的波长就愈短；
土木工程：硬度；
地质学：硬度；
水利：硬度；固体材料对外界物体压陷、刻划等作用的局部抵抗能力，是衡量材料软硬程度的一个指标。；
物理学：硬度；
生态学：硬度；水沉淀肥皂的能力，大体反映水中钙、镁离子的含量。钙镁浓度的总和称为总硬度，以每升水含碳酸钙的毫克数或毫克当量表示。；
航天：硬度；

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