unfilial

例句：

1. 1. The uncle was very disobedient towards his children.
   叔叔对他的孩子们非常不听话。
2. 2. The child's behavior was disrespectful to their elders.
   孩子的举止对长辈不尊重。
3. 3. The parents were deeply disappointed with the unfilial behavior of their son.
   父母对他们儿子不孝顺的行为感到非常失望。