adequate, enough, sufficient
这些形容词均含“足够的,充足的”之意。
1. adequate :指数量上足够,质量上适当。
eg:There was adequate rain and snow last winter.(去年冬天雨雪充足。)
2. enough :最普通用词,口语、书面语可用,较侧重分量或数量的足够,多指希望的满足。
eg:Is £100 enough for all your expenses?(100英镑够你全部的花销吗?)
3. sufficient :正式用词,侧重数目或数量或程度达到某一特定要求或需要。
eg:1.We have gained sufficient experience totackle this problem.(我们已经有了足够的经验来处理这个问题。)
2.His income is sufficient for his needs.(他的收入能满足他的需要。)
adult, grown-up, mature
这些形容词均有“成年的,成熟的”之意。
1. adult :一般指生理上的童年期已结束,达到法定年龄。
eg:He is adult in behavior.(从行为上看, 他已成熟了。)
2. grown-up :多用于口语,含义与adult基本相同,但更侧重脱离儿童阶段,已成大人,与childish意思相反。
eg:1.He felt grown-up, puffed up with self-importance.(他觉得长大了,便自以为了不起。)
2.She has a grown-up daughter who lives abroad.(她有一个已经长大成人的女儿,在海外生活。)
3. mature :用于生物时,指完全长好了。用于人时,指达到了生命的黄金时期,但所暗示的青少年和成年之间的界限不明显。
eg:1.This is a dress shop for mature women.(这是一家成年妇女服装店。)
2.The newambassador is more mature than his predecessor.(新大使比他的前任更成熟一些。)
更多学习内容请看:英语专四常见词辨析系列>>>
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