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关闭窗口 1.by用作介词，说明手段或方式时，可译作"通过"；"用"；"以"；"由于"等，其后常跟名词或动-ing形式。例如:
The house is heated by gas. 这房子是用煤气取暖的。
He taught himself to play the violin by practising every night. 他每夜练习，自学拉小提琴。
2.turn out 后面跟不定式to be，表示"结果是......"；"最后结果是......"。例如:
Though it looked like rain this morning, it has turned out to be a fine day. 尽管今早看起来要下雨，结果却是晴天。
3.throw light on / upon 表示"使某事显得非常清楚"的意思。例如:
The modern scientific development has thrown light on this question. 现代科学的发展已使这个问题明朗化。
Can you throw any light on the problem? 你能把这个问题阐述清楚吗？
4.Although I knew how to create life, how to prepare a body for it with all its muscles and organs still remained a difficult job. 尽管我知道如何创造生命，但如何用所有这些肌肉和器官为它(生命)准备一个身体还是项困难的工作。
此句although引导的是让步状语从句，how to prepare a body for it 是主句的主语，with 所带的介词短语表示动词 prepare 所需要的条件，remained 是主句的谓语。类似的用法还有:
Although I know how to do it, where to find the instruments still remained a big problem. 尽管我知道怎么做这件事情，但到哪里找到这些仪器还是个大问题。
5.I collected my instruments around me, with which I would light the flame of life in the dead thing that lay at my feet. 我把身边的仪器都收集起来，用这些仪器我可以将生命之光注入到躺在我脚下的这个没有生命的东西里。
本句with which引导的是非限制性定语从句，修饰主句中的宾语my instruments。因which在定语从句中充当介词宾语，一般将介词置于关系代词which的前面(固定的动词词组除外)。类似的用法有:
I lost the pen, with which I wrote my novel. 我把我用来写小说的钢笔弄丢了。
二、日常用语
1.I believe / suppose / doubt ...
2.I’m sure that ...
3.I’m (not) certain ...
4.I can’t imagine ...
5.It could be ... but ...
6.It’s likely ...
7.I can’t believe my eyes.
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