优秀例文：

After graduating from college, I decided to become a middle school teacher. There are many reasons for this decision.

First of all, when I was a little boy, I always dreamed of becoming a teacher. It fascinates me. I hope I can realize my dream.

I really like being with middle school students. Most of the students in this age group are full of youthful vitality, and I believe their enthusiasm will be passed on to me. I will keep all the passion of youth.

翻译：

大学毕业后，我决定成为一名中学老师，做出此决定的原因很多。

首先，当我还是一个小男孩的时候，我一直梦想着成为一名老师，它让我着迷，希望我能实现我的梦想。

我真的很喜欢和中学生在一起，这个年龄段的大多数学生都充满青春活力，我相信他们的热情会传递给我，我将保留青春的所有激情。