副词through的常见用法   through可以用作介词，也可以用作副词。作为副词，它常见的意思有三个。 1.through指“从头至尾；自始至终”。比如： Don't tell me how the book ends—I haven't read it all the way through yet.别告诉我书的结尾，我还没有看完呢。I expect I'll struggle through until payday.我期望我会挨到发工资的那一天日的。  He read the novel through carefully.他仔细地读完这本小说。We'll be working right through to the summer.我们会一直工作到夏季。 2.through指“直达地”。比如： The train goes through to Shanghai.这列火车直达上海。This train does not go straight through to Xuzhou.这列火车不直达徐州。 Did you stop in Nanjing on the way?’‘No, we drove straight through.’“你们路经南京时停车了吗？”“没有，我们一直开过来的。” 3.through指“彻底地，完全地”，前面多用形容词。比如： We walked home in the rain and were wet through.我们在雨中走回家，全身都湿透了。We got wet through yesterday.昨天我们浑身上下都湿透了。I returned to the inn cold and wet, soaked through by the drizzling rain.我回到那家小客栈，被毛毛雨淋透了，又冷又湿。