如果你想表达你想成为一名老师，你可以说：
1. I aspire to become a teacher.
2. I have a passion for teaching.
3. I want to pursue a career in education.
4. I aspire to inspire students with my knowledge and passion for learning.
5. I want to make a difference in students' lives by teaching them new things every day.
这些句子简洁明了地表达了你想成为老师的愿望和原因。