not more / -er than 与 no more / -er than 结构
比较:
John is not better than Tom.
John is no better than Tom.
前一句表示“约翰不比汤姆好”,属于普通的比较结构;后一例用了no 情况就不同了。no better than 相当于as bad as,含义是两人一样坏。这里,“no 形容词或副词比较级 than”所表示的可以说是该形容词或副词的反意。
例如: no richer than = as poor as 和……一样穷
no bigger than = as small as 和……一样小
no later than = as early as 和……一样早
同样地:
I have not taken more than six courses this semester.
I have taken no more than six courses this semester.
前一句的含义是本学期选的课不多于六门;后一句的含义是只选了六门。强调“少”。
上述结构与表示前后都否定的no more...than (= not...any more than)又有所不同:
例:A whale is no more a fish than a horse is.(鲸和马同样不是鱼。)
另外,在某些结构中,单独使用more than 也能表示否定概念:
例1:That is more than I can tell. 我简直不能说。
例2:My trip to Beijing is more than sightseeing. 我去北京不仅仅是旅游观光而已。
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