let alone和not to mention有什么区别
推荐回答(2个)
not to mention的后面只能接名词短语,
而let alone后面可以接任何词性的词项,并且大都用于否定句之后。
请考察下面的例句:
1. He rejected it for its cost,not to mention its ugliness.(MED) 他因为价格高而没买它,更不用说它很难看了。
2. He wrote twenty novels,not to mention six thick volumes of verse.(CGEL) 他写了二十本小说,更不用说六厚本诗集了。
3. We’re too busy to take a long holiday this year,not to mention the fact that we can’tafford it. (ALD) 我们太忙,今年不能去度长假,更不必说我们拿不起这笔费用了。
4. They own two houses,not to mention a boat. (《韦氏词典》,电子版) 他们拥有两栋房子,更不用说还有一只船。
5. Dave is handsome and smart,not to mention being a good athlete.(DAI)戴夫漂亮而聪明,更不用说还是个好运动员。
6. I had never seen him,let alone spoken to him. (let alone连接谓语的一部分spoken,其他例句,见not to say/let alone) 我从来没见过他,更别说与他交谈了。
7. She will not help her brother,let alone a stranger. (ELD) 她连自己的弟弟都不愿意帮助,更不用说陌生人了。 另外,let alone只用于非正式语体。
not to mention:在列举的几项后再加一项,前后是并列关系,多为肯定句中使用.相当于as well as,如:
Pollution has a negative effect on the health of everyone living in the city,not to mention the damage to the environment.
It's too far to walk,not to mention the fact that it'll probably be closed by now anyway.
let alone:多用于否定句中,后加的一项是递进关系,是较之前的更加不可能的.目的是强调前一项不可能,如:
The baby can't even sit up yet,let alone walk!
当然这只是大致区别,两者区别其实是相当小的.
可参考给出的网页,不过是全英文的.
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