Mr. Li is over sixty years old. He has retired.
李老师已经六十多岁了，他已经退休了。
He is one of my respected teachers. He taught us history when we were in junior Grade Two.
他是我最尊敬的老师之一。初中二年级的时候他教我们历史。
Although he was old, he taught us well.
尽管他年纪很大，但是他教得很好。
He tried his best to make his lessons lively.
他尽自己最大的努力使他的课堂生动。
He often told us the interesting historical stories that were not in the text books.
他经常给我们讲课本上没有的有趣的历史故事。

Mr. Li usually made good preparations for the lessons and was strict with us,too.
李老师总是为课堂备好课，对我们也很严厉。
At first, I was poor in history, because I couldn't remember the events clearly.
起初，我的历史很差，因为我记不清历史事件。
Mr. Li often helped me with my studies very patiently.
李老师经常耐心地帮助我的学习。
With his help, I made great progress and caught up with my classmates.
在他的帮助下，我取得了很大的进步，并赶上了班上的同学。
He was always very kind to every student.
他对每个学生都很和蔼。
As an experienced teacher, he was respected and loved by all his students.
作为一名有经验的老师，他受到所有学生的尊敬和爱戴。