Shirabe
教訓

教訓きょうくん

Common Noun Irregular Transitive
Español jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb lección;precepto;enseñanza moral
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb lesson;precept;teachings;moral
実例は教訓にまさる。
Example is better than precept.