.. as … as … can be

结构︰

主语＋be 动词＋as＋形容词＋as＋（形容词）＋can be

说明︰

此句型意为“极…，不亚于任何人…”。此<句型>借重复同一个<形容词>而成为强调此<形容词>的说法。常用的此类<词组>有：as plain as plain can be（再明白不过了），as wise as wise can be（再聪明不过了），as white as white can be（白得不能再白了），as wrong as wrong can be（错得太离谱）等。

His failure is as plain as plain can be.
他的失败是再明白不过了。
He is as handsome as (handsome) can be.
他潇洒极了。
She is as kind as can be.
她极为和颜悦色。
Mary is as hardworking as can be.
玛丽在班上之用功不输任何人。
He may not be so clever as Peter, but he is as industrious as can be.
他也许不如彼得聪明，但却用功极了。