(虚)弱的,无力(度)的;微弱的;懦弱的;不牢固的;疲软的,萧条的;不能令人信服的;稀薄的;

这三个词共同的意思是“弱的”。它们的区别是:
weak用于修饰人、人的身体及其各部分器官,为最普通用语; feeble多指体格、脉搏、声音等“虚弱的,无力气的”,语气较weak强且庄重。例如:
Her pulse was very feeble.她的脉搏很微弱。
infirm特指因年老而衰弱。例如:
My grandpa is infirm with age.我祖父年老体衰。
这些形容词均有“虚弱的,乏力的”之意。
weak普通用词,指缺乏应有的力量,可用于身体、意志或精神。
feeble指身体衰弱无力,精力几乎耗尽,含令人怜悯的意味。
frail多指因经常生病而身体纤弱。
fragile可与frail换用,但语气强,侧重脆弱,指人容易生病,指物容易破碎。
词源词根法
来自PIE*weik,弯,转,词源同week,wench.引申义柔软的,没有力量的,瘦弱的。来自PIE*weik,弯,转,词源同week.引申词义柔软的,没有力量的,瘦弱的。
单词解说
1、weak的基本意思是“弱的,无力的”,用于人可修饰人体或人体的某个器官,也可修饰人的意志。用于物时可指某物的性能不好,即“功能不佳的”,也可指某物在理论上让人无法信服,即“无说服力的,无力的”。weak还可指“稀的,稀释的”“未达高标准的”。
2、weak在句中可用作表语,也可用作定语。用作定语时,其后可接具体名词或抽象名词,作表语时,其后可接介词短语、动词不定式或that从句。
重要短语
weak point弱点(心理或身体上的残疾);缺点
weak link薄弱环节;弱键
weak force弱作用力;弱核力;弱相互作用
weak acid弱酸
The chief editorial writer also blames weak leadership for the current crisis.
首席社论员也把当前的危机归咎于领导层软弱无力。
来源:《柯林斯高阶英汉双解学习词典》The owner said the bird may have escaped through a weak spot in the aviary...
鸟的主人说这只鸟可能是从鸟舍一处不结实的地方逃走的。
来源:《柯林斯高阶英汉双解学习词典》In a weak moment (= when I was easily persuaded) I said she could borrow the car.
我一时心软,同意她借用汽车。
来源:《牛津高阶英汉双解词典》The weak dollar means American goods are relative bargains for foreigners...
美元疲软意味着美国的产品对外国人来说相对便宜。
来源:《柯林斯高阶英汉双解学习词典》The claim exposed a weak point in the structure of facts upon which his argument rested...
这一主张暴露了支撑他论点的论据结构的一个弱点。
来源:《柯林斯高阶英汉双解学习词典》Do you think the prosecution made any particular errors, or did they just have a weak case?...
你认为公诉人犯了什么错误呢,还是根本就是证据不足?
来源:《柯林斯高阶英汉双解学习词典》When the economy is weak, it's very hard for suppliers to raise their prices.
经济疲软时供货商很难提价。
来源:《柯林斯高阶英汉双解学习词典》You may very well be asked what your weak points are. Don't try to claim you don't have any...
你很可能会被问到有什么缺点。不要试图声称自己没有任何缺点。
来源:《柯林斯高阶英汉双解学习词典》He was a nice doctor, but a weak man who wasn't going to stick his neck out...
他是位为人和蔼的医生,但胆小怕事,不敢冒什么风险。
来源:《柯林斯高阶英汉双解学习词典》The changes come after mounting criticism that the government is weak and indecisive...
随着对政府软弱和优柔寡断的批评愈演愈烈,情况终于有了变化。
来源:《柯林斯高阶英汉双解学习词典》Until the beating, Cantanco's eyesight had been weak, but adequate...
挨打前坎坦科的视力就一直很弱,不过也还勉强看得见。
来源:《柯林斯高阶英汉双解学习词典》The molecules in regular liquids are held together by relatively weak bonds...
常规液体里分子之间的键合力相对较弱。
来源:《柯林斯高阶英汉双解学习词典》You have been conditioned to believe that it is weak to be scared.
你已经习惯性地认为害怕就是软弱。
来源:《柯林斯高阶英汉双解学习词典》
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