幸甚

1. Origins, structure, and basic meaning

• Structure: 幸甚 is read as こうじん and is a formal expression of being deeply grateful or greatly pleased.
• Basic usage: It is used in polite requests for feedback or cooperation to say that the requested action would be greatly appreciated.

2. Common pitfalls and similar expressions

• The form 幸甚です
  • 〜いただければ幸甚です politely requests an action while expressing strong prospective gratitude. Example: ご意見をお寄せいただければ幸甚です。
• The form 幸甚に存じます
  • 幸甚に存じます likewise expresses gratitude in a highly formal request for cooperation. Example: 本計画にご協力賜れば幸甚に存じます。