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ADJ-GRADED
(身体)虚弱的，无力的
If someone is weak, they are not healthy or do not have good muscles, so that they cannot move quickly or carry heavy things.
例句
I was too weak to move or think or speak...
我太虚弱了，无法动弹，无法思考，也无法说话。
His arms and legs were weak.
他的四肢虚弱无力。
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ADJ-GRADED
(器官或感官)功能差的，受损伤的
If someone has an organ or sense that is weak, it is not very effective or powerful, or is likely to fail.
例句
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。
She tired easily and had a weak heart.
她很容易疲劳，心脏也不好。
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ADJ-GRADED
意志薄弱的;懦弱的
If you describe someone as weak, you mean that they are not very confident or determined, so that they are often frightened or worried, or easily influenced by other people.
例句
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。
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。
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ADJ-GRADED
(声音或笑容)微弱的，不热情的，无力的
If you describe someone's voice or smile as weak, you mean that it is not very loud or big, suggesting that the person lacks confidence, enthusiasm, or physical strength.
例句
His weak voice was almost inaudible...
他的声音微弱，几乎听不见。
He managed a weak smile.
他勉强挤出一丝笑容。
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ADJ-GRADED
不牢固的;易破的;易坏的
If an object or surface is weak, it breaks easily and cannot support a lot of weight or resist a lot of strain.
例句
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。
Swimming is helpful for bones that are porous and weak.
游泳有助于改善骨质疏松和骨骼脆弱。
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ADV-GRADED
无力度的;无强度的
A weak physical force does not have much power or intensity.
例句
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。
Strong winds can turn boats when the tide is weak.
潮水小的时候强风可以让船只改变航向。
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ADJ-GRADED
无权力的;无权威的;无影响力的
If individuals or groups are weak, they do not have any power or influence.
例句
The council was too weak to do anything about it.
市政会手中无权，对此无能为力。
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ADJ-GRADED
(政府或领导人) 软弱无力的
A weak government or leader does not have much control, and is not prepared or able to act firmly or severely.
例句
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。
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。
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ADJ-GRADED
(货币、经济、产业、政府等)疲软的，有崩溃危险的
If you describe something such a country's currency, economy, industry, or government as weak, you mean that it is not successful, and may be likely to fail or collapse.
例句
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。
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。
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ADJ-GRADED
(论据等)不充分的，没有说服力的;(逻辑)不周密的
If something such as an argument or case is weak, it is not convincing or there is little evidence to support it.
例句
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？
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。
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ADJ-GRADED
稀薄的;稀释的
A weak drink, chemical, or drug contains very little of a particular substance, for example because a lot of water has been added to it.
例句
...a cup of weak tea...
一杯淡茶
...a very weak bleach solution.
高度稀释的漂白剂
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ADJ-GRADED
(能力等)弱的，差的
Your weak points are the qualities or talents you do not possess, or the things you are not very good at.
例句
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。
Geography was my weak subject...
地理是我的弱项。
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ADJ-GRADED
（下巴）瘦小的;（尤暗指）性格懦弱的
You can say that someone has a weak chin to indicate that their chin is not large, especially when you want to suggest that they do not have a strong character.
例句
She was a plain-looking woman with a weak chin.
她相貌平平，性格懦弱。