"have only to …do"结构，此结构表示"只须(消)……就能……"的意思。
We have only to turn to that extraordinary discovery made by Edison to see the significance of it.
"not (no) …unless…"句型
No increase in output can be expected unless a new assembly line is installed.
"better…than…"句型
Better my life should be ended by their hate, than that hated life should be prolonged to live without your love.
"as it were"是一个非常常用的插入语，意思是"好象"，"可以说"等。
Apiece of iron near a magnet, though apparently separate from it, feels, as it were, the threads of this attachment.
复杂结构，在下面例句中，由于anyone的定语从句过长，把谓语must realize提到定语从句之前。
Though faith and confidence are surely more or lass foreign to my nature, I do not infrequently find myself looking to them to be able, diligent, candid, and even honest. Plainly enough, that is too large an order, as anyone must realize who reflects upon the manner in which they reach public office.
"more than +动词"结构，这种结构表示动词的程度，可译为"异常"，"岂止"，"十二分地"等。
This more than satisfied me.
"good and …"的副词用法，译为"非常"，"很"等。类似还有"nice and …", "fine and …," "lovely and …", "bright and …", "rare and …", "big and …"等，均表示程度。
The apples are good and ripe.
"and that"结构，这个"and that"应译为"而且……"，表示对它前面陈述部分的语气加强，"that"代表前面的整个陈述部分。
Return to your work , and that at once.
"at once…and"结构，这个结构译为"既……又……"，起相关连接的作用，相当于"both…and…"。
The novel is at once pleasing and instructive.
"in that…"结构，这个结构的意思是"在那一点上(方面)"可译为"因为"。类似的结构还有"in this…"。
The budget is unrealistic in that it disregards increased costs.
"the name notwithstanding"结构，这个结构中"notwithstanding"是介词，这个介词可以置前，可以置后，比如也可写成："notwithstanding the name"。起让步状语的作用。
Some people think of the storage battery as a sort of condenser where electricity is stored.But this is an entirely wrong conception, the name notwithstanding.
"Every…not"表示"不见得每个……都是……";"All…not"表示"不见得所有……都是……"的意思。
Every man is not polite, and all are not born gentlemen.
"as…,so…"结构，这里的"so"的意思是"in the same way"(也是如此)。此结构表明两个概念在程度上和关系上相似。
As rust eats iron, so care eats the heart.
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