新概念英语第三册 Lesson46(5)

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7，As far as I could see it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.
句中a turn of, a little tightening, a drop of 作adjustment的同位语，说明adjustment所包含的内容。
as good as= almost, actually，意为"几乎，实际上"
e.g. The work is as good as perfect.这工作几乎是完美的。
8，The mover firmly refused to mow, so I decided to dismantle it.
一般情况下，动词refuse的主语是人，但文中用物体mower做主语，是拟人用法，这样可以使文字更显得生动
9, After buying a new chain I was faced with the insurmountable task of putting the confusing jigsaw puzzle together again.
句中使用insurmountable和confusing两个较大的词分别修饰task和jigsaw puzzle，具有夸张意味，并以暗喻手法，将lawn mover比作jigsaw puzzle（拼图游戏）更有利于产生喜剧效果。
10，Buried somewhere in deep grass there is a rusting lawn mower which I have promised one day.
Buried somewhere 为过去分词作定语，修饰lawn mower。置于句首位置，一方面起到强调作用，另一方面，由于lawn mower后为which引导的定语从句，这样可使句子显得更为紧凑。