Lilac is regarded as a symbol of elegance, nobility and purity in traditional culture, and its fragrance is elegant, which is consistent with the image of teachers. Teachers are disseminators of knowledge. They set an example for students with noble quality and professionalism. This elegant, noble and pure quality is consistent with the symbolic meaning of lilac.
In addition, lilac is a kind of flower full of wisdom and enlightenment, which can inspire people to think and develop people's thinking, which is very similar to the teacher's educational responsibility. Teachers need to constantly explore educational theory and practice, guide students to find and solve problems, and cultivate students' thinking ability, which is similar to the wisdom and enlightenment of Lilac.
Therefore, comparing teachers to lilacs is an expression of praise and respect for teachers and highlights their noble quality and wisdom.