- unfilial behavior,《英》 unfilial behaviour;〔親に従わないこと〕disobedience towards one's parents
親不孝する treat one's parents disrespectfully
- あんな親不孝な奴もいない
- 〔親を尊敬しない〕No one is as disrespectful to his parents as that fellow./〔親を大事にしない〕No one neglects his parents as much as he does./〔親に心配をかける〕No one could cause his parents as much pain as he does.
- 親不孝者an unfilial child; a disobedient child; an ungrateful child