while
/waɪl/
conj. / n.
标准词条
CET-4
一句话记住
当……时;在……期间;而;一会儿;一段时间
释义与例句
conj.
当……时;在……期间;而
during the time that something is happening, or used to contrast two facts or situations
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She listened to a podcast while she was walking home.
她步行回家时听了一期播客。
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While the children were asleep, their parents wrapped the presents.
孩子们睡着时,父母把礼物包好了。
展开其余 1 条例句
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My brother enjoys team sports, while I prefer swimming alone.
我哥哥喜欢团体运动,而我更喜欢独自游泳。
n.
一会儿;一段时间
a period of time, especially a fairly short one
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Please sit down and rest for a while.
请坐下来休息一会儿。
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It took me quite a while to understand how the system worked.
我花了相当长的时间才明白这个系统如何运作。
展开其余 1 条例句
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After a while, the noise from the street became less noticeable.
过了一会儿,街上的噪声就不那么明显了。
词源与构词
记忆钩子
while 作连词强调“期间”或“对比”,作名词表示“一段时间”;once in a while 是“偶尔”,不等于 once in a moment。
词族与关联词
同义词
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whilst 当……时;而while 与 whilst 作连词时意义基本相同;whilst 较正式,主要用于英式英语,美式英语中很少见。表示“一段时间”的名词只能用 while,不能用 whilst。Whilst the two methods are similar, their costs differ greatly. 虽然这两种方法相似,但成本差别很大。
易混词(形近或义近,注意区别)
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when 当……时while 强调持续的一段时间,常接延续性动作或进行态;when 可指时间点,也可指时期,能接短暂性动作。while 还可表示两事对比“而”,when 没有这一对比用法。The phone rang when I opened the front door. 我打开前门时,电话响了。
常见搭配
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for a while 一会儿;一段时间We chatted for a while before returning to our desks. 我们聊了一会儿,然后回到各自的书桌前。
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after a while 过了一会儿After a while, the medicine began to relieve the pain. 过了一会儿,药开始缓解疼痛。
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once in a while 偶尔;间或We eat at home most days, but once in a while we order a pizza. 我们大多数时候在家吃饭,但偶尔会点一个比萨。