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enough,sufficient的用法及区别

xiawuyouke 趣味英语 2022-11-01 10:02:15 17 0

这两个词都是形容词,又都表示“足够”、“充足”之意,但词义用法有所不同。

(一)一般来说,enough指心理上的满足(mental satisfaction);sufficient则指需要的满足(satisfaction of demands)。例如,某个贪心汉已捞了很多钱(sufficient money),足够他吃喝一辈子,但他依然感到不满足(not enough)。例:

Remember that science requires the effort of a lifetime. Even if you had two lives to give,it would still not be enough.要记住,科学需要人毕生的精力。即使有两次生命,也仍然不够。

That sum of money is sufficient for our requirement.那一笔钱已足够我们的需要。

(二)就文体而言,sufficient比enough更为正式(formal);sufficient常用以指程度上的足够;enough则指数量上的足够。例:

Our military response to the aggressive act was limited but sufficient to show our determination.虽然我们对侵略行动的军事反应有限,但足以表明我们的决心。

There is enough food for five people.食物足够五人吃。

(三)enough既可作形容词,又可作副词和名词;sufficient只能作形容词。例:

Are these shoes large enough?(adv.)这些鞋是否够大?

I've had enough, thank you.(n.)我已吃饱了,谢谢。

(四)enough作形容词时,可以放在它所修饰的词的前面或后面;作副词时,一般放在它所修饰的形容词或副词的后面。例:

I have enough bread(or bread enough).(adj.)我有足够的面包。

You are not careful enough.(adv.)你不够仔细。

(五)enough之后可以接不定式,但不能接以that引导的从句。例:

I know them well enough to ask them for help.我和他们很熟,可以请他们帮忙。

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