2017年12月英语四级词汇详解：through

　　When will you be through with your work, John?

　　四级词汇讲解:

　　本句中，be through ( with sb./sth.)意为“已结束”。本句相当于When will you finish your work?

　　英语四级考点归纳：

　　与through有关的短语还有:through and through(完全，彻底)，get through(接通)，see through(看完)等。through本身的含义包括:

　　“穿过;贯穿”。如:

　　You can see the three people through the mist.透过薄雾，你能看见那三个人。

　　“自始至终”。如:

　　He will not live through tonight.他活不过今晚了。

　　“因为，凭借”。如:

　　It was through you that we were able to meet again.全仗你的帮助，我们才能重聚。

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