新东方网英语四级频道为备考英语四级的同学整理了英语四级词汇讲解及考点归纳，希望可以为大家带来帮助，一起来学习一下吧。
英语四级词汇讲解丨考点归纳：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。
From:https://www.zgghmh.com/CET-4/20004199.asp