[by:可可英语～m.moreplr.com]
[00:01.48]52. A Ball 
球
[00:15.04]One day, Mr. Li was reading a book in his office after school. 
一天，李老师课后在办公室里读书，
[00:19.51]To his surprise, a ball flew in suddenly and hit him on the head. 
令他吃惊的是，一个球突然飞进来，打在他的头上。
[00:26.37]He took the ball to the window, but he only saw a group of boy students run away quickly and disappear in a minute. 
他拿着球走到窗前，但是他只看到一群男学生很快跑开，眨眼间消失得无影无踪。
[00:35.44]He sat down again and continued his reading. As it got dark, it was time for him to leave for home. 
李老师坐下接着看书。天色渐晚，他该回家了，
[00:44.12]Looking at the ball, he wondered what to do with it. He knew the owner of the ball must be nearby and wish to get it back. 
看着球，他犯难了。他知道球的主人一定在附近，希望把球拿回去。
[00:54.44]He went downstairs and walked to the playground. 
李老师走下楼，来到操场。
[00:58.47]It was at the center of the playground that he placed the ball and a piece of paper, on which was written "Be careful next time." 
他把球和一张纸放在操场的正中央，上面写着：“下次小心。”
[01:08.35]Then he walked away. 
然后他走开了。
[01:10.53]The next morning, as Mr. Li opened the office door, he found the same piece of paper on the floor. 
第二天早晨，当李老师打开办公室的门时，那张纸就在地上，
[01:18.07]Under his words was added the following, "Thank you for your kindness. Anyway, you are a clever fellow."
在他写的句子后面加了这么几个字：“谢谢你的好心！不管怎么说，你是个聪明的家伙。”