prep. 通过，穿过；经由；透过；凭借
adv. 从头到尾；彻底；自始至终；
adj. （电话）接通；通话完毕；有洞的；直达的
一、作介词
(1) 从…中通过；贯穿，穿过（强调丛物体内部或一定范围内），透过
We started to push our way through crowds of children.
The River Thames flows through London. On our way we had to pass through Hudson Street.
The sunlight was coming in through the window. The sound echoed through the hall.
(2)通过，凭借（方法手段），经由
He became rich through hard work and ability.
We learn to speak through speaking. He got the job through his uncle.
(3)由于，因为…的关系
He failed through lack of experience.
(4)自始至终；从头到尾/底
The children are too young to sit through a long concert.
We worked through the night.
(5)经受；经历
That was a small matter after the Cultural Revolution they had been through.
辨析：through ,across ,over (复习)
The Great Wall winds its way from west to east, _______ deserts, _______ mountains, ______ valleys, till at last it reaches the sea.
Go _______ the bridge _______ the river, and you will find the shop.
I have made friends right ________ the world.
The crowd of people walked past the City Hall to the Center Square.
Through & by 表示“通过”时，through 后常加名词表示手段媒介，而by 后常加工具具体名词以及-ing 形式。
He got that job through his uncle.
You can succeed by working hard. I sent the letter by airmail.
二、作副词
（1） 通过，过去 （可与许多动词连用）
The flood is too deep to drive through.
(2) 彻底地；接通电话
Don’t tell me how it ends---I haven’t read it through.
You’re through to London, sir!
Get through
① 通过；度过
He got through his examinations.
② 做完；吃完；饮完
We managed to get through the work in four hours.
We got a lot of whisky at the party.
③ 打通电话 （vi）
I couldn’t get through to my mother last night.
Go through ① 经历 （痛苦困难）
You have no idea what I went through to get this finished in time.
② 翻阅；检查查看
We shall go through the book together.
We must go through the accounts.
③ 通过，成交，被批准 (vi)
If this deal doesn’t go through, we’re ruined.
The plan did not go through.
See through ① 看穿；看透 We saw through the trick.
② 帮助渡过 （see...through） It’ll be hard for you, but we’ll see you through.
Live through 经历（而活过来） He has lived through two wars and three revolutions.
Look / glance through 匆匆看一遍；检查
I will look through the notes and see if they are worth reprinting.
Fall through 失败 Through lack of funds the scheme fell through.
All through ① 在整整（这段时间）中; 在整个范围内
They slept all through the day.
There was silence all through the little house.
② 一直地 we hoped all through that you would come back.
Through thick and thin 同甘共苦;无论是在患难或安乐中
They stuck together through thick and thin.
Be wet through 湿透 Your clothes were are wet through with the rain.
Pull through 使痊愈，脱险
We though that she was going to die but penicillin pulled her through.
Break through 突围出来(breakthrough n.)
The soldiers were surrounded by the enemy but managed to break through.
1. A brilliant shaft of sunlight burst through the doorway.
一束耀眼的阳光从门口照射进来。
2. The company I work for went through a rough patch.
我所在的公司经历了一段困难时期。
3. Mobutu ascended through the ranks, eventually becoming commander of the army.
蒙博托出身行伍，通过一级级晋升，最终成为了陆军司令。
4. The savoury smell greeted them as they went through the door.
他们进门时一阵香味扑鼻而来。
5. I went through about four years of being addicted to video games.
我大约有4年时间沉迷在电子游戏中。
6. The winner of each preliminary goes through to the final.
每场初赛的获胜者进入决赛。