转自：转载
1． It作先行主语和先行宾语的一些句型
She had said what it was necessary to say.
2． 强调句型
It is not who rules us that is important, but how he rules us.
3． "All+抽象名词"或"抽象名词+itself"（very+形容词）
He was all gentleness to her.
4． 利用词汇重复表示强调
A crime is a crime a crime.
5． "something（much）of"和"nothing（little）of""something of"相当于"to some extent"，表示程度。在疑问句或条件从句中，则为"anything of "，可译为"有点"，"略微等。""译为毫无"，"全无"。"much of"译为"大有"，"not much of"可译为"算不上"，"称不上"，"little of"可译为"几乎无"。something like译为"有点像，略似。"
They say that he had no university education, but he seems to be something of a scholar.
6． 同格名词修饰是指of前后的两个名词都指同一个人或物，"of"以及它前面的名词构一个形容词短语，以修饰"of"后面的那个名词。如"her old sharper of a father"，可译为："她那骗子般的父亲"。
Those pigs of girls eat so much.
7． as…as…can（may）be
It is as plain as plain can be.
8． "It is in（with）…as in（with）"
It is in life as in a journey.
9． "as good as…"相等于，就像，几乎如；实际上，其实，实在。
The merchant as good as promised the orphan boy, that he would adopt him.
10．"many as well…as"和"might as well …as" "many as well…as"可译为"与其……，不如……，更好"，"以这样做……为宜"，"如同……，也可以……"等等。"might as well …as"表示不可能的事，可译为"犹如……"，"可与……一样荒唐"，"与其那样不如这样的好"等等。
One may as well not know a thing at all as know it imperfectly.