如：What is the use of it?这有什么用?(这没有一点用)
Who knows?谁知道呢?(没人知道)
Is the man of fool?难道这人是傻瓜吗?(他根本不傻)
Am I your slave? 我是你的奴才吗?(我不是奴才，别使唤我)
III.比较级-er+than…和more +原级+than…将不同性质的形容词或副词加以比较时，有"不如……""毋宁……"的否定意义。
He is braver than wise.他有勇无谋。
He is more dead than alive.与其说他活着，不如说他死了。
She certainly knows better than to tackle such a problem by herself.
她很明白不能独自去解决这个问题。
He is wiser than to risk his money in that undertaking.
他不会蠢到投资那项事业的地步。
He is more of a politician than a scholar. 与其说他是个学者，不如说他是个政客。
You'd better go home than stay here.你呆在这里还不如回家去呢。
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