Hello, everyone. Today, I will tell you a story about a special old man.大家好，今天我要给你们讲个关于一位很特别的老人的故事。His name is Jack.他叫杰克。Jack used to be an engineer in a car factory.杰克以前是一家汽车厂的工程师。He left the factory when he was 65 years old last year.他去年65岁时离开了工厂。He was not very happy at first.他一开始时不太高兴。Because he did not have any work to do.因为他没有事干。He spent a lot of time watching TV.他花很多时间看电视。But he thought it was really boring.但是，他觉得很无聊。So, he wanted to make some changes to his life.所以，他想改变自己的生活。Half a year ago, he started to learn to play Taiji.半年前，他开始学习太极拳。He is the oldest students in the class.他是班上年龄最大的学生。He also teaches a group of people to play Taiji in a park.他还教一群人在公园里打太极。He is so happy to be both a student and a teacher now.他现在既当学生又当老师，真是太高兴了。Learning can be fun.学习很有趣。And it is never too late to learn.活到老，学到老。