出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第283页（300字）
教师和学生两方面互相影响，并都得到进步，例初入教学行列的老师未必都能理解教学相长的道理，须从实践中去体认。
When teaching career begins，not all teachers realize that teaching actually benefits both the teacher and the student alike One only realizes this fact when one is actually involved with teaching．