As water is to fish, so is air / air is to man.
Just as we sweep our rooms, so should we / we should sweep backward ideas from our minds.
上面两句“/”前后哪一个是正确的?为什么?
As water is to fish, so is air / air is to man.
Just as we sweep our rooms, so we should sweep backward ideas from our minds.
具体看下面和链接
http://ask.yygrammar.com/app_q-26516.html
A is to B what C is to D 的意思为“A之于B犹如是C之于D”。是通过C和D不可缺失利害关系来说明A和B的不可缺失的利害关系
(1)前面A is to B是主句内容( 观点内容/本体内容)
(2)后面what C is to D为从句内容( 例证内容/喻体内容)
以上是通过C和D关系的重要性来说明A和B的关系的重要性。
特别备注以下几点
【1】句型1: A is to B what C is to D.
本句型的意思是“A对B而言正如C对D一样”。其中what = as,作连词用,引导状语从句。
Air is to us what water is to fish.
=Air is to us as water is to fish.
空气对于我们犹如水对于鱼。
备注:介词to表示对比
【2】句型2: What C is to D, that A is to B.
本句型意思也是“A对B而言正如C对D一样”。what引导的从句放在句首时,从句后面的主句前必须添加that,其句式是“What..., that...”; 就像as引导的从句放在句首时, 从句后面的主句前常添加so一样, 其句式是“As..., so...”。此外, as放在句首时,常用just来强调。形成了“Just as..., so...”句型。
What exercise is to the body, that reading is to the mind.= Just as exercise is to the body, so reading is to the mind.
读书对于精神犹如运动对于身体一样。
注意:句式⑴能与句式⑵互相转换。
What blood vessel is to a man’s body, that railway is to a country.
= Railway is to a country what blood vessel is to a man’s body.
铁路对于国家好比血管对于人体一样
【3】此句型是明喻(simile)。what / just as引导的状语从句为类比状语从句,是喻体(vehicle), 主句是本体(tenor)。what /as引导的状语从句与主句通常是对称结构,它把一种人或事物与另一种性质不同的人或事物来作比拟,从而更形象、更深刻地说明事理。该句型琅琅上口,常用于谚语或警句中。
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