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His theory is very difficult, and few people understandit. 他的理論很深奧，沒有幾個能懂。

His theory is very difficult, but a few people understandit. 他的理論很深奧，但是有些人懂。

2. 一般說來，在 only, still, quite, not 等詞之后通常用帶有不定冠詞的 a few, 而在 very, some, the, no, so, too 等詞之后通常用不帶冠詞的 few。如：

Only a few students passed the exam. 只有幾個學(xué)生考及格。

Very few people understand what he said. 幾乎沒什么人懂他的話。

注：可說 very few 或 a very few, 但不能說 very a few。

3. 其比較級和最高級分別為 fewer, fewest。如；

Who has the fewest mistakes? 誰的錯誤最少?

You ought to smoke fewer cigarettes and drink less beer. 你應(yīng)該少抽煙，少喝啤酒。

4. 用作形容詞，其后可直接跟名詞，無需用 of, 但是若其后名詞之前有限定詞修飾或者是代詞或從句等，則必須要用介詞 of

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