weak的名词形式是weakness,表示“缺点,弱势”,副词形式是weakly,表示“虚弱地”。
weak的名词是什么
weak的名词是weakness;
weak
adj.虚弱的;无力的;不牢固的;易损坏的;易破的;易受影响的;懦弱的;软弱无力的;
比较级: weaker;
最高级: weakest
He became very weak towards the end of his life.
他临终时很虚弱。
He was a weak little mouse of a man.
他是个懦弱无能的人。
I was always weak in the science subjects.
我总是学不好理科。
weak的用法总结
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。
例句:
①用作形容词 (adj.)
用作定语: ~+ n.
She spoke in a weak voice.
她有气无力地说话。
②用作表语: S+be+~
Her pulse is weak; she must be very ill.
她的脉搏微弱,必定病得很厉害。
③S+be+~+ prep .-phrase
She was weak from a long illness.
她因长期生病而十分虚弱。
④S+be+too ~+to- v
The flu victim was too weak to walk.
这位流感病人虚弱得连路都走不动。
⑤S+be+~+that-clause
The teacher's so weak that the children do what they like.
这老师太软弱了,孩子们因此可以为所欲为。
weak常见短语
weak answer 缺乏说服力的回答
weak character 优柔寡断的性格
weak coffee 淡咖啡
weak constitution 虚弱的体质
weak defence 不牢固的防御工作
weak同义词辨析
weak、feeble、frail等词都有“虚弱的”的意思,具体用法如下:
weak adj. 虚弱的。最普通用词,使用范围很广,既可指身体虚弱无力的,也可引申用于力量、意志、权力、性格等方面等。
feeble adj. 虚弱的,无力的。尤指身体、脉搏、声音等极为虚弱而无力的。。
frail adj. 虚弱的,瘦弱的。多指因年迈或生病而身体瘦弱的、虚弱的、衰弱的。