重点讲解：
1. go door to door
挨家挨户；
例句：On that night, children dress up and go door to door asking for treats or playing tricks.
在那天晚上，装扮好了的孩子们会挨家挨户地敲门，他们向主人要求款待，要不就会捣蛋&)b[yQUwi2_Q41。
2. knock on
敲；击；
例句：I duly knocked on his door at three o'clock.
我准时在三点钟敲了他的门NJzYk3dEA|。
3. the more...the more
句型；常表示“越……就越……”；
例句：The higher we climbed, the more awe-inspiring the scenery became.
我们爬得越高，风景越是让人叹绝q_7dJ)VE(w@A1。
4. get sick of
厌倦的；厌烦的；厌恶的；
例句： I get sick of hearing that music all the time.
我对整天听那音乐感到厌烦FY!_2^oX=jHQw|(Y37P。