1、They were interrupted by aknock at the door.(他们被敲门声打断了。)
2、Suddenly there was anotherknock at the door.(突然，又有人敲门。)
3、No sooner had I sat down than there was a loudknock on the door.(我刚坐下就有人大声敲门。)
4、Why doesn't he justknock the wall down?(他为什么不索性把墙拆掉？)
5、You shouldknock before you enter.(你进来前应先敲门。)
6、I was so involved in my book I didn't hear youknock.(我全神贯注在看书，没听到你敲门。)
7、Deeply involved in his book, he didn't hear myknock.(他沉浸于书本，没有听到我的敲门声。)
8、I was wakened by aknock at the door.(敲门声把我吵醒了。)
9、Office managersknock down walls to encourage team building.(办公室经理打破了这一隔阂，鼓励团队建设。)
10、Nothing remained to do but toknock.(只需要敲门了。)
11、They heard aknock at the front door.(他们听到前门有一敲门声。)
12、Theyknock on their neighbours' doors and shout "trick or treat".(他们敲了他们邻居家的门，然后喊着“不给糖就使坏”。)
13、He got a nastyknock on the head.(他头部遭到重重一击。)
14、I managed toknock him down to $400.(我设法让他把价格降到了400元。)
15、They had toknock the door down to get in.(他们不得不破门而入。)
16、knock before you enter.(进来前先敲门。)
17、You don't have toknock—just walk in.(不必敲门—进来就是了。)
18、There was aknock at the door.(门外传来敲门声。)
19、There was a sharpknock on the door.(敲门声大作。)
20、What time do youknock off work?(你什么时候下班？)
21、I got it all taken care of,knock on wood.(我把它各个方面都照顾到了，但愿好运仍在。)
22、Do you want toknock off early today?(你今天想早点歇工吗？)
23、For long there was no answer, then again theknock.(很长时间没有回答，然后又是敲门声。)
24、They waited in silence, and presently there came another lighterknock.(他们默默地等着，不一会儿，又传来了一阵比较轻的敲门声。)
25、Childrenknock buckets while riding bikes.(孩子们会在骑自行车时敲击木桶。)
26、They managed toknock a hole in the wall.(他们设法在墙上凿了个洞。)
27、Let'sknock off for lunch.(咱们收工吃午饭吧。)
28、Late that evening, there was aknock at the door.(那天深夜，有人敲过门。)
29、Please don'tknock down all those cans.(请不要敲那些罐头。)
30、I didn'tknock anyone.(我没有打任何人。)
