不孝

1. Origins, structure, and basic meaning

• Structure: 不孝(ふこう) means being unfilial or failing in one's duties toward one's parents.
• Basic usage: It is used to apologize for neglecting parents or express a value judgment about parent–child relationships.

2. Common pitfalls and similar expressions

• Misfortune has the same reading
  • 不孝 concerns duties toward parents; the same reading, ふこう, is used for 不幸, unhappiness or misfortune.